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< title > synom::take_until - Rust< / title >
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< h1 class = 'fqn' > < span class = 'in-band' > Macro < a href = 'index.html' > synom< / a > ::< wbr > < a class = "macro" href = '' > take_until< / a > < / span > < span class = 'out-of-band' > < span id = 'render-detail' >
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< span class = "macro" > macro_rules< / span > < span class = "macro" > !< / span > < span class = "ident" > take_until< / span > {
(< span class = "macro-nonterminal" > $< / span > < span class = "macro-nonterminal" > i< / span > :< span class = "ident" > expr< / span > , < span class = "macro-nonterminal" > $< / span > < span class = "macro-nonterminal" > substr< / span > :< span class = "ident" > expr< / span > ) < span class = "op" > => < / span > { ... };
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< div class = 'docblock' > < p > Parse the part of the input up to but not including the given string. Fail
to parse if the given string is not present in the input.< / p >
< ul >
< li > < strong > Syntax:< / strong > < code > take_until!(" ..." )< / code > < / li >
< li > < strong > Output:< / strong > < code > & str< / code > < / li >
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< span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > syn< / span > ;
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< span class = "macro" > named< / span > < span class = "macro" > !< / span > (< span class = "ident" > single_line_doc< / span > < span class = "op" > -> < / span > < span class = "kw-2" > & < / span > < span class = "ident" > str< / span > ,
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< span class = "macro" > assert_eq< / span > < span class = "macro" > !< / span > (< span class = "ident" > parsed< / span > , < span class = "string" > " comment" < / span > );
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