134 lines
6.7 KiB
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134 lines
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>combine</a>::<wbr><a href='index.html'>combinator</a>::<wbr><a class="fn" href=''>unexpected</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../../src/combine/combinator.rs.html#823-829' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn unexpected<I, S>(message: S) -> <a class="struct" href="../../combine/combinator/struct.Unexpected.html" title="struct combine::combinator::Unexpected">Unexpected</a><I> <span class="where fmt-newline">where<br> I: <a class="trait" href="../../combine/trait.Stream.html" title="trait combine::Stream">Stream</a>,<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="../../combine/primitives/enum.Info.html" title="enum combine::primitives::Info">Info</a><I::<a class="type" href="../../combine/trait.StreamOnce.html#associatedtype.Item" title="type combine::StreamOnce::Item">Item</a>, I::<a class="type" href="../../combine/trait.StreamOnce.html#associatedtype.Range" title="type combine::StreamOnce::Range">Range</a>>>, </span></pre><div class='docblock'><p>Always fails with <code>message</code> as an unexpected error.
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Never consumes any input.</p>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">unexpected</span>(<span class="string">"token"</span>)
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.<span class="ident">parse</span>(<span class="string">"a"</span>);
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">result</span>.<span class="ident">is_err</span>());
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<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">result</span>.<span class="ident">err</span>().<span class="ident">unwrap</span>().<span class="ident">errors</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span><span class="ident">m</span><span class="op">|</span> <span class="kw-2">*</span><span class="ident">m</span> <span class="op">==</span> <span class="ident">Error</span>::<span class="ident">Unexpected</span>(<span class="string">"token"</span>.<span class="ident">into</span>())));</pre>
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