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<section id='main' class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust ">
<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">regex</span>;
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>;
<span class="kw">use</span> <span class="self">self</span>::<span class="ident">regex</span>::<span class="ident">Regex</span>;
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Filter</span> {
<span class="ident">inner</span>: <span class="ident">Regex</span>,
}
<span class="kw">impl</span> <span class="ident">Filter</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">spec</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="ident">Filter</span>, <span class="ident">String</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">Regex</span>::<span class="ident">new</span>(<span class="ident">spec</span>){
<span class="prelude-val">Ok</span>(<span class="ident">r</span>) <span class="op">=&gt;</span> <span class="prelude-val">Ok</span>(<span class="ident">Filter</span> { <span class="ident">inner</span>: <span class="ident">r</span> }),
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=&gt;</span> <span class="prelude-val">Err</span>(<span class="ident">e</span>.<span class="ident">to_string</span>()),
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_match</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">s</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-&gt;</span> <span class="ident">bool</span> {
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">is_match</span>(<span class="ident">s</span>)
}
}
<span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">Filter</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-&gt;</span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">fmt</span>(<span class="ident">f</span>)
}
}
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