2017-07-14 23:24:09 +00:00
<!DOCTYPE html>
< html lang = "en" >
< head >
< meta charset = "utf-8" >
< meta name = "viewport" content = "width=device-width, initial-scale=1.0" >
< meta name = "generator" content = "rustdoc" >
2017-07-14 23:30:16 +00:00
< meta name = "description" content = "API documentation for the Rust `try_demangle` fn in crate `rustc_demangle`." >
< meta name = "keywords" content = "rust, rustlang, rust-lang, try_demangle" >
2017-07-14 23:24:09 +00:00
2017-07-14 23:30:16 +00:00
< title > rustc_demangle::try_demangle - Rust< / title >
2017-07-14 23:24:09 +00:00
< link rel = "stylesheet" type = "text/css" href = "../normalize.css" >
< link rel = "stylesheet" type = "text/css" href = "../rustdoc.css" >
< link rel = "stylesheet" type = "text/css" href = "../main.css" >
< / head >
2017-07-14 23:30:16 +00:00
< body class = "rustdoc fn" >
2017-07-14 23:24:09 +00:00
<!-- [if lte IE 8]>
< div class = "warning" >
This old browser is unsupported and will most likely display funky
things.
< / div >
<![endif]-->
< nav class = "sidebar" >
2017-07-14 23:30:16 +00:00
< p class = 'location' > < a href = 'index.html' > rustc_demangle< / a > < / p > < script > window . sidebarCurrent = { name : 'try_demangle' , ty : 'fn' , relpath : '' } ; < / script > < script defer src = "sidebar-items.js" > < / script >
2017-07-14 23:24:09 +00:00
< / nav >
< nav class = "sub" >
< form class = "search-form js-only" >
< div class = "search-container" >
< input class = "search-input" name = "search"
autocomplete="off"
placeholder="Click or press ‘ ’ ‘ ’
type="search">
< / div >
< / form >
< / nav >
< section id = 'main' class = "content" >
2017-07-14 23:30:16 +00:00
< h1 class = 'fqn' > < span class = 'in-band' > Function < a href = 'index.html' > rustc_demangle< / a > ::< wbr > < a class = "fn" href = '' > try_demangle< / a > < / span > < span class = 'out-of-band' > < span id = 'render-detail' >
2017-07-14 23:24:09 +00:00
< a id = "toggle-all-docs" href = "javascript:void(0)" title = "collapse all docs" >
[< span class = 'inner' > − < / span > ]
< / a >
2017-07-14 23:30:16 +00:00
< / span > < a class = 'srclink' href = '../src/rustc_demangle/lib.rs.html#150-157' title = 'goto source code' > [src]< / a > < / span > < / h1 >
< pre class = 'rust fn' > pub fn try_demangle(s: & str) -> < a class = "enum" href = "https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title = "enum core::result::Result" > Result< / a > < < a class = "struct" href = "../rustc_demangle/struct.Demangle.html" title = "struct rustc_demangle::Demangle" > Demangle< / a > , < a class = "struct" href = "../rustc_demangle/struct.TryDemangleError.html" title = "struct rustc_demangle::TryDemangleError" > TryDemangleError< / a > > < / pre > < div class = 'docblock' > < p > The same as < code > demangle< / code > , except return an < code > Err< / code > if the string does not appear
to be a Rust symbol, rather than " demangling" the given string as a no-op.< / p >
< pre class = "rust rust-example-rendered" >
< span class = "kw" > extern< / span > < span class = "kw" > crate< / span > < span class = "ident" > rustc_demangle< / span > ;
< span class = "kw" > let< / span > < span class = "ident" > not_a_rust_symbol< / span > < span class = "op" > =< / span > < span class = "string" > " la la la" < / span > ;
< span class = "comment" > // The `try_demangle` function will reject strings which are not Rust symbols.< / span >
< span class = "macro" > assert< / span > < span class = "macro" > !< / span > (< span class = "ident" > rustc_demangle< / span > ::< span class = "ident" > try_demangle< / span > (< span class = "ident" > not_a_rust_symbol< / span > ).< span class = "ident" > is_err< / span > ());
< span class = "comment" > // While `demangle` will just pass the non-symbol through as a no-op.< / span >
< span class = "macro" > assert_eq< / span > < span class = "macro" > !< / span > (< span class = "ident" > rustc_demangle< / span > ::< span class = "ident" > demangle< / span > (< span class = "ident" > not_a_rust_symbol< / span > ).< span class = "ident" > as_str< / span > (), < span class = "ident" > not_a_rust_symbol< / span > );< / pre >
< / div > < / section >
2017-07-14 23:24:09 +00:00
< section id = 'search' class = "content hidden" > < / section >
< section class = "footer" > < / section >
< aside id = "help" class = "hidden" >
< div >
< h1 class = "hidden" > Help< / h1 >
< div class = "shortcuts" >
< h2 > Keyboard Shortcuts< / h2 >
< dl >
< dt > ?< / dt >
< dd > Show this help dialog< / dd >
< dt > S< / dt >
< dd > Focus the search field< / dd >
< dt > ⇤ < / dt >
< dd > Move up in search results< / dd >
< dt > ⇥ < / dt >
< dd > Move down in search results< / dd >
< dt > ⏎ < / dt >
< dd > Go to active search result< / dd >
< dt > +< / dt >
< dd > Collapse/expand all sections< / dd >
< / dl >
< / div >
< div class = "infos" >
< h2 > Search Tricks< / h2 >
< p >
Prefix searches with a type followed by a colon (e.g.
< code > fn:< / code > ) to restrict the search to a given type.
< / p >
< p >
Accepted types are: < code > fn< / code > , < code > mod< / code > ,
< code > struct< / code > , < code > enum< / code > ,
< code > trait< / code > , < code > type< / code > , < code > macro< / code > ,
and < code > const< / code > .
< / p >
< p >
Search functions by type signature (e.g.
< code > vec -> usize< / code > or < code > * -> vec< / code > )
< / p >
< / div >
< / div >
< / aside >
< script >
window.rootPath = "../";
2017-07-14 23:30:16 +00:00
window.currentCrate = "rustc_demangle";
2017-07-14 23:24:09 +00:00
< / script >
< script src = "../main.js" > < / script >
< script defer src = "../search-index.js" > < / script >
< / body >
< / html >
