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<p class='location'>Trait Deserializer</p><div class="block items"><ul><li><a href="#associated-types">Associated Types</a></li><li><a href="#required-methods">Required Methods</a></li><li><a href="#implementors">Implementors</a></li></ul></div><p class='location'><a href='index.html'>serde</a></p><script>window.sidebarCurrent = {name: 'Deserializer', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<h1 class='fqn'><span class='in-band'>Trait <a href='index.html'>serde</a>::<wbr><a class="trait" href=''>Deserializer</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/serde/de/mod.rs.html#796-1014' title='goto source code'>[src]</a></span></h1>
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<pre class='rust trait'>pub trait Deserializer<'de>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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type <a href='#associatedtype.Error' class="type">Error</a>: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>;
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fn <a href='#tymethod.deserialize_any' class='fnname'>deserialize_any</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_bool' class='fnname'>deserialize_bool</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_i8' class='fnname'>deserialize_i8</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_i16' class='fnname'>deserialize_i16</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_i32' class='fnname'>deserialize_i32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_i64' class='fnname'>deserialize_i64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_u8' class='fnname'>deserialize_u8</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_u16' class='fnname'>deserialize_u16</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_u32' class='fnname'>deserialize_u32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_u64' class='fnname'>deserialize_u64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_f32' class='fnname'>deserialize_f32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_f64' class='fnname'>deserialize_f64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_char' class='fnname'>deserialize_char</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_str' class='fnname'>deserialize_str</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_string' class='fnname'>deserialize_string</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_bytes' class='fnname'>deserialize_bytes</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_byte_buf' class='fnname'>deserialize_byte_buf</a><V>(<br> self, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_option' class='fnname'>deserialize_option</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_unit' class='fnname'>deserialize_unit</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_unit_struct' class='fnname'>deserialize_unit_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_newtype_struct' class='fnname'>deserialize_newtype_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_seq' class='fnname'>deserialize_seq</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_tuple' class='fnname'>deserialize_tuple</a><V>(<br> self, <br> len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_tuple_struct' class='fnname'>deserialize_tuple_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_map' class='fnname'>deserialize_map</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_struct' class='fnname'>deserialize_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> fields: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
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fn <a href='#tymethod.deserialize_enum' class='fnname'>deserialize_enum</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> variants: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
|
||
fn <a href='#tymethod.deserialize_identifier' class='fnname'>deserialize_identifier</a><V>(<br> self, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
|
||
fn <a href='#tymethod.deserialize_ignored_any' class='fnname'>deserialize_ignored_any</a><V>(<br> self, <br> visitor: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de></span>;
|
||
}</pre><div class='docblock'><p>A <strong>data format</strong> that can deserialize any data structure supported by
|
||
Serde.</p>
|
||
|
||
<p>The role of this trait is to define the deserialization half of the Serde
|
||
data model, which is a way to categorize every Rust data type into one of 27
|
||
possible types. Each method of the <code>Serializer</code> trait corresponds to one of
|
||
the types of the data model.</p>
|
||
|
||
<p>Implementations of <code>Deserialize</code> map themselves into this data model by
|
||
passing to the <code>Deserializer</code> a <code>Visitor</code> implementation that can receive
|
||
these various types.</p>
|
||
|
||
<p>The types that make up the Serde data model are:</p>
|
||
|
||
<ul>
|
||
<li><strong>12 primitive types</strong>
|
||
|
||
<ul>
|
||
<li>bool</li>
|
||
<li>i8, i16, i32, i64</li>
|
||
<li>u8, u16, u32, u64</li>
|
||
<li>f32, f64</li>
|
||
<li>char</li>
|
||
</ul></li>
|
||
<li><strong>string</strong>
|
||
|
||
<ul>
|
||
<li>UTF-8 bytes with a length and no null terminator.</li>
|
||
<li>When serializing, all strings are handled equally. When deserializing,
|
||
there are three flavors of strings: transient, owned, and borrowed.</li>
|
||
</ul></li>
|
||
<li><strong>byte array</strong> - [u8]
|
||
|
||
<ul>
|
||
<li>Similar to strings, during deserialization byte arrays can be transient,
|
||
owned, or borrowed.</li>
|
||
</ul></li>
|
||
<li><strong>option</strong>
|
||
|
||
<ul>
|
||
<li>Either none or some value.</li>
|
||
</ul></li>
|
||
<li><strong>unit</strong>
|
||
|
||
<ul>
|
||
<li>The type of <code>()</code> in Rust. It represents an anonymous value containing no
|
||
data.</li>
|
||
</ul></li>
|
||
<li><strong>unit_struct</strong>
|
||
|
||
<ul>
|
||
<li>For example <code>struct Unit</code> or <code>PhantomData<T></code>. It represents a named value
|
||
containing no data.</li>
|
||
</ul></li>
|
||
<li><strong>unit_variant</strong>
|
||
|
||
<ul>
|
||
<li>For example the <code>E::A</code> and <code>E::B</code> in <code>enum E { A, B }</code>.</li>
|
||
</ul></li>
|
||
<li><strong>newtype_struct</strong>
|
||
|
||
<ul>
|
||
<li>For example <code>struct Millimeters(u8)</code>.</li>
|
||
</ul></li>
|
||
<li><strong>newtype_variant</strong>
|
||
|
||
<ul>
|
||
<li>For example the <code>E::N</code> in <code>enum E { N(u8) }</code>.</li>
|
||
</ul></li>
|
||
<li><strong>seq</strong>
|
||
|
||
<ul>
|
||
<li>A variably sized heterogeneous sequence of values, for example <code>Vec<T></code> or
|
||
<code>HashSet<T></code>. When serializing, the length may or may not be known before
|
||
iterating through all the data. When deserializing, the length is determined
|
||
by looking at the serialized data.</li>
|
||
</ul></li>
|
||
<li><strong>tuple</strong>
|
||
|
||
<ul>
|
||
<li>A statically sized heterogeneous sequence of values for which the length
|
||
will be known at deserialization time without looking at the serialized
|
||
data, for example <code>(u8,)</code> or <code>(String, u64, Vec<T>)</code> or <code>[u64; 10]</code>.</li>
|
||
</ul></li>
|
||
<li><strong>tuple_struct</strong>
|
||
|
||
<ul>
|
||
<li>A named tuple, for example <code>struct Rgb(u8, u8, u8)</code>.</li>
|
||
</ul></li>
|
||
<li><strong>tuple_variant</strong>
|
||
|
||
<ul>
|
||
<li>For example the <code>E::T</code> in <code>enum E { T(u8, u8) }</code>.</li>
|
||
</ul></li>
|
||
<li><strong>map</strong>
|
||
|
||
<ul>
|
||
<li>A heterogeneous key-value pairing, for example <code>BTreeMap<K, V></code>.</li>
|
||
</ul></li>
|
||
<li><strong>struct</strong>
|
||
|
||
<ul>
|
||
<li>A heterogeneous key-value pairing in which the keys are strings and will be
|
||
known at deserialization time without looking at the serialized data, for
|
||
example <code>struct S { r: u8, g: u8, b: u8 }</code>.</li>
|
||
</ul></li>
|
||
<li><strong>struct_variant</strong>
|
||
|
||
<ul>
|
||
<li>For example the <code>E::S</code> in <code>enum E { S { r: u8, g: u8, b: u8 } }</code>.</li>
|
||
</ul></li>
|
||
</ul>
|
||
|
||
<p>The <code>Deserializer</code> trait supports two entry point styles which enables
|
||
different kinds of deserialization.</p>
|
||
|
||
<ol>
|
||
<li><p>The <code>deserialize</code> method. Self-describing data formats like JSON are able
|
||
to look at the serialized data and tell what it represents. For example
|
||
the JSON deserializer may see an opening curly brace (<code>{</code>) and know that
|
||
it is seeing a map. If the data format supports
|
||
<code>Deserializer::deserialize_any</code>, it will drive the Visitor using whatever
|
||
type it sees in the input. JSON uses this approach when deserializing
|
||
<code>serde_json::Value</code> which is an enum that can represent any JSON
|
||
document. Without knowing what is in a JSON document, we can deserialize
|
||
it to <code>serde_json::Value</code> by going through <code>Deserializer::deserialize_any</code>.</p></li>
|
||
<li><p>The various <code>deserialize_*</code> methods. Non-self-describing formats like
|
||
Bincode need to be told what is in the input in order to deserialize it.
|
||
The <code>deserialize_*</code> methods are hints to the deserializer for how to
|
||
interpret the next piece of input. Non-self-describing formats are not
|
||
able to deserialize something like <code>serde_json::Value</code> which relies on
|
||
<code>Deserializer::deserialize_any</code>.</p></li>
|
||
</ol>
|
||
|
||
<p>When implementing <code>Deserialize</code>, you should avoid relying on
|
||
<code>Deserializer::deserialize_any</code> unless you need to be told by the Deserializer
|
||
what type is in the input. Know that relying on <code>Deserializer::deserialize_any</code>
|
||
means your data type will be able to deserialize from self-describing
|
||
formats only, ruling out Bincode and many others.</p>
|
||
</div>
|
||
<h2 id='associated-types'>Associated Types</h2>
|
||
<div class='methods'>
|
||
<h3 id='associatedtype.Error' class='method'><span id='Error.t' class='invisible'><code>type <a href='#associatedtype.Error' class="type">Error</a>: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a></code></span></h3><div class='docblock'><p>The error type that can be returned if some error occurs during
|
||
deserialization.</p>
|
||
</div></div>
|
||
<h2 id='required-methods'>Required Methods</h2>
|
||
<div class='methods'>
|
||
<h3 id='tymethod.deserialize_any' class='method'><span id='deserialize_any.v' class='invisible'><code>fn <a href='#tymethod.deserialize_any' class='fnname'>deserialize_any</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Require the <code>Deserializer</code> to figure out how to drive the visitor based
|
||
on what data type is in the input.</p>
|
||
|
||
<p>When implementing <code>Deserialize</code>, you should avoid relying on
|
||
<code>Deserializer::deserialize_any</code> unless you need to be told by the
|
||
Deserializer what type is in the input. Know that relying on
|
||
<code>Deserializer::deserialize_any</code> means your data type will be able to
|
||
deserialize from self-describing formats only, ruling out Bincode and
|
||
many others.</p>
|
||
</div><h3 id='tymethod.deserialize_bool' class='method'><span id='deserialize_bool.v' class='invisible'><code>fn <a href='#tymethod.deserialize_bool' class='fnname'>deserialize_bool</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>bool</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_i8' class='method'><span id='deserialize_i8.v' class='invisible'><code>fn <a href='#tymethod.deserialize_i8' class='fnname'>deserialize_i8</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i8</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_i16' class='method'><span id='deserialize_i16.v' class='invisible'><code>fn <a href='#tymethod.deserialize_i16' class='fnname'>deserialize_i16</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i16</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_i32' class='method'><span id='deserialize_i32.v' class='invisible'><code>fn <a href='#tymethod.deserialize_i32' class='fnname'>deserialize_i32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i32</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_i64' class='method'><span id='deserialize_i64.v' class='invisible'><code>fn <a href='#tymethod.deserialize_i64' class='fnname'>deserialize_i64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i64</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_u8' class='method'><span id='deserialize_u8.v' class='invisible'><code>fn <a href='#tymethod.deserialize_u8' class='fnname'>deserialize_u8</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u8</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_u16' class='method'><span id='deserialize_u16.v' class='invisible'><code>fn <a href='#tymethod.deserialize_u16' class='fnname'>deserialize_u16</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u16</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_u32' class='method'><span id='deserialize_u32.v' class='invisible'><code>fn <a href='#tymethod.deserialize_u32' class='fnname'>deserialize_u32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u32</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_u64' class='method'><span id='deserialize_u64.v' class='invisible'><code>fn <a href='#tymethod.deserialize_u64' class='fnname'>deserialize_u64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u64</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_f32' class='method'><span id='deserialize_f32.v' class='invisible'><code>fn <a href='#tymethod.deserialize_f32' class='fnname'>deserialize_f32</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>f32</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_f64' class='method'><span id='deserialize_f64.v' class='invisible'><code>fn <a href='#tymethod.deserialize_f64' class='fnname'>deserialize_f64</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>f64</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_char' class='method'><span id='deserialize_char.v' class='invisible'><code>fn <a href='#tymethod.deserialize_char' class='fnname'>deserialize_char</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a <code>char</code> value.</p>
|
||
</div><h3 id='tymethod.deserialize_str' class='method'><span id='deserialize_str.v' class='invisible'><code>fn <a href='#tymethod.deserialize_str' class='fnname'>deserialize_str</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a string value and does
|
||
not benefit from taking ownership of buffered data owned by the
|
||
<code>Deserializer</code>.</p>
|
||
|
||
<p>If the <code>Visitor</code> would benefit from taking ownership of <code>String</code> data,
|
||
indiciate this to the <code>Deserializer</code> by using <code>deserialize_string</code>
|
||
instead.</p>
|
||
</div><h3 id='tymethod.deserialize_string' class='method'><span id='deserialize_string.v' class='invisible'><code>fn <a href='#tymethod.deserialize_string' class='fnname'>deserialize_string</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a string value and would
|
||
benefit from taking ownership of buffered data owned by the
|
||
<code>Deserializer</code>.</p>
|
||
|
||
<p>If the <code>Visitor</code> would not benefit from taking ownership of <code>String</code>
|
||
data, indicate that to the <code>Deserializer</code> by using <code>deserialize_str</code>
|
||
instead.</p>
|
||
</div><h3 id='tymethod.deserialize_bytes' class='method'><span id='deserialize_bytes.v' class='invisible'><code>fn <a href='#tymethod.deserialize_bytes' class='fnname'>deserialize_bytes</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a byte array and does not
|
||
benefit from taking ownership of buffered data owned by the
|
||
<code>Deserializer</code>.</p>
|
||
|
||
<p>If the <code>Visitor</code> would benefit from taking ownership of <code>Vec<u8></code> data,
|
||
indicate this to the <code>Deserializer</code> by using <code>deserialize_byte_buf</code>
|
||
instead.</p>
|
||
</div><h3 id='tymethod.deserialize_byte_buf' class='method'><span id='deserialize_byte_buf.v' class='invisible'><code>fn <a href='#tymethod.deserialize_byte_buf' class='fnname'>deserialize_byte_buf</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a byte array and would
|
||
benefit from taking ownership of buffered data owned by the
|
||
<code>Deserializer</code>.</p>
|
||
|
||
<p>If the <code>Visitor</code> would not benefit from taking ownership of <code>Vec<u8></code>
|
||
data, indicate that to the <code>Deserializer</code> by using <code>deserialize_bytes</code>
|
||
instead.</p>
|
||
</div><h3 id='tymethod.deserialize_option' class='method'><span id='deserialize_option.v' class='invisible'><code>fn <a href='#tymethod.deserialize_option' class='fnname'>deserialize_option</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an optional value.</p>
|
||
|
||
<p>This allows deserializers that encode an optional value as a nullable
|
||
value to convert the null value into <code>None</code> and a regular value into
|
||
<code>Some(value)</code>.</p>
|
||
</div><h3 id='tymethod.deserialize_unit' class='method'><span id='deserialize_unit.v' class='invisible'><code>fn <a href='#tymethod.deserialize_unit' class='fnname'>deserialize_unit</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a unit value.</p>
|
||
</div><h3 id='tymethod.deserialize_unit_struct' class='method'><span id='deserialize_unit_struct.v' class='invisible'><code>fn <a href='#tymethod.deserialize_unit_struct' class='fnname'>deserialize_unit_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a unit struct with a
|
||
particular name.</p>
|
||
</div><h3 id='tymethod.deserialize_newtype_struct' class='method'><span id='deserialize_newtype_struct.v' class='invisible'><code>fn <a href='#tymethod.deserialize_newtype_struct' class='fnname'>deserialize_newtype_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a newtype struct with a
|
||
particular name.</p>
|
||
</div><h3 id='tymethod.deserialize_seq' class='method'><span id='deserialize_seq.v' class='invisible'><code>fn <a href='#tymethod.deserialize_seq' class='fnname'>deserialize_seq</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a sequence of values.</p>
|
||
</div><h3 id='tymethod.deserialize_tuple' class='method'><span id='deserialize_tuple.v' class='invisible'><code>fn <a href='#tymethod.deserialize_tuple' class='fnname'>deserialize_tuple</a><V>(<br> self, <br> len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a sequence of values and
|
||
knows how many values there are without looking at the serialized data.</p>
|
||
</div><h3 id='tymethod.deserialize_tuple_struct' class='method'><span id='deserialize_tuple_struct.v' class='invisible'><code>fn <a href='#tymethod.deserialize_tuple_struct' class='fnname'>deserialize_tuple_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a tuple struct with a
|
||
particular name and number of fields.</p>
|
||
</div><h3 id='tymethod.deserialize_map' class='method'><span id='deserialize_map.v' class='invisible'><code>fn <a href='#tymethod.deserialize_map' class='fnname'>deserialize_map</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a map of key-value pairs.</p>
|
||
</div><h3 id='tymethod.deserialize_struct' class='method'><span id='deserialize_struct.v' class='invisible'><code>fn <a href='#tymethod.deserialize_struct' class='fnname'>deserialize_struct</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> fields: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting a struct with a particular
|
||
name and fields.</p>
|
||
</div><h3 id='tymethod.deserialize_enum' class='method'><span id='deserialize_enum.v' class='invisible'><code>fn <a href='#tymethod.deserialize_enum' class='fnname'>deserialize_enum</a><V>(<br> self, <br> name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> variants: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting an enum value with a
|
||
particular name and possible variants.</p>
|
||
</div><h3 id='tymethod.deserialize_identifier' class='method'><span id='deserialize_identifier.v' class='invisible'><code>fn <a href='#tymethod.deserialize_identifier' class='fnname'>deserialize_identifier</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type is expecting the name of a struct
|
||
field or the discriminant of an enum variant.</p>
|
||
</div><h3 id='tymethod.deserialize_ignored_any' class='method'><span id='deserialize_ignored_any.v' class='invisible'><code>fn <a href='#tymethod.deserialize_ignored_any' class='fnname'>deserialize_ignored_any</a><V>(self, visitor: V) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>, Self::<a class="type" href="../serde/trait.Deserializer.html#associatedtype.Error" title="type serde::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code></span></h3><div class='docblock'><p>Hint that the <code>Deserialize</code> type needs to deserialize a value whose type
|
||
doesn't matter because it is ignored.</p>
|
||
|
||
<p>Deserializers for non-self-describing formats may not support this mode.</p>
|
||
</div></div>
|
||
<h2 id='implementors'>Implementors</h2>
|
||
<ul class='item-list' id='implementors-list'>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.UnitDeserializer.html" title="struct serde::de::value::UnitDeserializer">UnitDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.BoolDeserializer.html" title="struct serde::de::value::BoolDeserializer">BoolDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.I8Deserializer.html" title="struct serde::de::value::I8Deserializer">I8Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.I16Deserializer.html" title="struct serde::de::value::I16Deserializer">I16Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.I32Deserializer.html" title="struct serde::de::value::I32Deserializer">I32Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.I64Deserializer.html" title="struct serde::de::value::I64Deserializer">I64Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.IsizeDeserializer.html" title="struct serde::de::value::IsizeDeserializer">IsizeDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.U8Deserializer.html" title="struct serde::de::value::U8Deserializer">U8Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.U16Deserializer.html" title="struct serde::de::value::U16Deserializer">U16Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.U64Deserializer.html" title="struct serde::de::value::U64Deserializer">U64Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.UsizeDeserializer.html" title="struct serde::de::value::UsizeDeserializer">UsizeDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.F32Deserializer.html" title="struct serde::de::value::F32Deserializer">F32Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.F64Deserializer.html" title="struct serde::de::value::F64Deserializer">F64Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.CharDeserializer.html" title="struct serde::de::value::CharDeserializer">CharDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.U32Deserializer.html" title="struct serde::de::value::U32Deserializer">U32Deserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, 'a, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.StrDeserializer.html" title="struct serde::de::value::StrDeserializer">StrDeserializer</a><'a, E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.BorrowedStrDeserializer.html" title="struct serde::de::value::BorrowedStrDeserializer">BorrowedStrDeserializer</a><'de, E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.StringDeserializer.html" title="struct serde::de::value::StringDeserializer">StringDeserializer</a><E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, 'a, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.CowStrDeserializer.html" title="struct serde::de::value::CowStrDeserializer">CowStrDeserializer</a><'a, E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.BorrowedBytesDeserializer.html" title="struct serde::de::value::BorrowedBytesDeserializer">BorrowedBytesDeserializer</a><'de, E> <span class="where fmt-newline">where<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, I, T, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.SeqDeserializer.html" title="struct serde::de::value::SeqDeserializer">SeqDeserializer</a><I, E> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a><Item = T>,<br> T: <a class="trait" href="../serde/de/trait.IntoDeserializer.html" title="trait serde::de::IntoDeserializer">IntoDeserializer</a><'de, E>,<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, A> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.SeqAccessDeserializer.html" title="struct serde::de::value::SeqAccessDeserializer">SeqAccessDeserializer</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="../serde/de/trait.SeqAccess.html" title="trait serde::de::SeqAccess">SeqAccess</a><'de>, </span></code></li>
|
||
<li><code>impl<'de, I, E> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.MapDeserializer.html" title="struct serde::de::value::MapDeserializer">MapDeserializer</a><'de, I, E> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html" title="trait core::iter::iterator::Iterator">Iterator</a>,<br> I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a>: Pair,<br> <I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a> as Pair>::First: <a class="trait" href="../serde/de/trait.IntoDeserializer.html" title="trait serde::de::IntoDeserializer">IntoDeserializer</a><'de, E>,<br> <I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::iterator::Iterator::Item">Item</a> as Pair>::Second: <a class="trait" href="../serde/de/trait.IntoDeserializer.html" title="trait serde::de::IntoDeserializer">IntoDeserializer</a><'de, E>,<br> E: <a class="trait" href="../serde/de/trait.Error.html" title="trait serde::de::Error">Error</a>, </span></code></li>
|
||
<li><code>impl<'de, A> Deserializer<'de> for <a class="struct" href="../serde/de/value/struct.MapAccessDeserializer.html" title="struct serde::de::value::MapAccessDeserializer">MapAccessDeserializer</a><A> <span class="where fmt-newline">where<br> A: <a class="trait" href="../serde/de/trait.MapAccess.html" title="trait serde::de::MapAccess">MapAccess</a><'de>, </span></code></li>
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