141 lines
7.9 KiB
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141 lines
7.9 KiB
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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 class="fn" href=''>none_of</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#536-546' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn none_of<T, I>(tokens: T) -> <a class="struct" href="../combine/combinator/struct.NoneOf.html" title="struct combine::combinator::NoneOf">NoneOf</a><T, I> <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>,<br> I: <a class="trait" href="../combine/trait.Stream.html" title="trait combine::Stream">Stream</a>,<br> I::<a class="type" href="../combine/trait.StreamOnce.html#associatedtype.Item" title="type combine::StreamOnce::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><T::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a>>, </span></pre><div class='docblock'><p>Extract one token and succeeds if it is not part of <code>tokens</code>.</p>
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<pre class="rust rust-example-rendered">
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">parser</span> <span class="op">=</span> <span class="ident">many1</span>(<span class="ident">none_of</span>(<span class="string">b"abc"</span>.<span class="ident">iter</span>().<span class="ident">cloned</span>()));
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<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">parser</span>.<span class="ident">parse</span>(<span class="ident">State</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="string">b"xyb"</span>[..]))
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.<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">output</span>, <span class="ident">input</span>)<span class="op">|</span> (<span class="ident">output</span>, <span class="ident">input</span>.<span class="ident">input</span>));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">result</span>, <span class="prelude-val">Ok</span>((<span class="string">b"xy"</span>[..].<span class="ident">to_owned</span>(), <span class="kw-2">&</span><span class="string">b"b"</span>[..])));
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<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">parser</span>.<span class="ident">parse</span>(<span class="ident">State</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="string">b"ab"</span>[..]));
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">result</span>, <span class="prelude-val">Err</span>(<span class="ident">ParseError</span> {
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<span class="ident">errors</span>: <span class="macro">vec</span><span class="macro">!</span>[
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<span class="ident">Error</span>::<span class="ident">Unexpected</span>(<span class="ident">Info</span>::<span class="ident">Token</span>(<span class="string">b'a'</span>)),
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]
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}));</pre>
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