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 </pre><pre class="rust ">
 <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">imp</span>::<span class="kw-2">*</span>;

 <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">dox</span>))]</span>
 <span class="kw">mod</span> <span class="ident">imp</span> {
     <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="ident">option</span>::<span class="prelude-ty">Option</span>;
     <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="ident">clone</span>::<span class="ident">Clone</span>;
     <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="ident">marker</span>::<span class="ident">Copy</span>;
     <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="ident">mem</span>;
 }

 <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">dox</span>)]</span>
 <span class="kw">mod</span> <span class="ident">imp</span> {
     <span class="kw">pub</span> <span class="kw">enum</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
         <span class="prelude-val">Some</span>(<span class="ident">T</span>),
         <span class="prelude-val">None</span>,
     }
     <span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">Copy</span><span class="op">&gt;</span> <span class="ident">Copy</span> <span class="kw">for</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {}
     <span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="ident">Clone</span><span class="op">&gt;</span> <span class="ident">Clone</span> <span class="kw">for</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
         <span class="kw">fn</span> <span class="ident">clone</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> { <span class="kw">loop</span> {} }
     }

     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Clone</span> {
         <span class="kw">fn</span> <span class="ident">clone</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) <span class="op">-&gt;</span> <span class="self">Self</span>;
     }

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;copy&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Copy</span> {}

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;freeze&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Freeze</span> {}

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;sync&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Sync</span> {}
     <span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> <span class="ident">Sync</span> <span class="kw">for</span> <span class="ident">T</span> {}

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;sized&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Sized</span> {}

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">each_int</span> {
         (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span>:<span class="ident">ident</span>) <span class="op">=&gt;</span> (
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">u8</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">u16</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">u32</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">u64</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">usize</span>);
             <span class="macro">each_signed_int</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span>);
         )
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">each_signed_int</span> {
         (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span>:<span class="ident">ident</span>) <span class="op">=&gt;</span> (
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">i8</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">i16</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">i32</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">i64</span>);
             <span class="macro-nonterminal">$</span><span class="macro-nonterminal">mac</span><span class="op">!</span>(<span class="ident">isize</span>);
         )
     }

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;div&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Div</span><span class="op">&lt;</span><span class="ident">RHS</span><span class="op">&gt;</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">div</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="ident">RHS</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_div</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Div</span><span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">div</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="self">self</span> <span class="op">/</span> <span class="ident">rhs</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_div</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;shl&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Shl</span><span class="op">&lt;</span><span class="ident">RHS</span><span class="op">&gt;</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">shl</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="ident">RHS</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_shl</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Shl</span><span class="op">&lt;</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span><span class="op">&gt;</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">shl</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="self">self</span> <span class="op">&lt;&lt;</span> <span class="ident">rhs</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_shl</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;mul&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Mul</span><span class="op">&lt;</span><span class="ident">RHS</span><span class="op">=</span><span class="self">Self</span><span class="op">&gt;</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">mul</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="ident">RHS</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_mul</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Mul</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">mul</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="self">self</span> <span class="op">*</span> <span class="ident">rhs</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_mul</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;sub&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Sub</span><span class="op">&lt;</span><span class="ident">RHS</span><span class="op">=</span><span class="self">Self</span><span class="op">&gt;</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">sub</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="ident">RHS</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_sub</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Sub</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">sub</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="self">self</span> <span class="op">-</span> <span class="ident">rhs</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_sub</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;bitor&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Bitor</span><span class="op">&lt;</span><span class="ident">RHS</span><span class="op">=</span><span class="self">Self</span><span class="op">&gt;</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">bitor</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="ident">RHS</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_bitor</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Bitor</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">bitor</span>(<span class="self">self</span>, <span class="ident">rhs</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="self">self</span> <span class="op">|</span> <span class="ident">rhs</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_bitor</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;neg&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Neg</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">neg</span>(<span class="self">self</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_neg</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Neg</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">neg</span>(<span class="self">self</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="op">-</span><span class="self">self</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_signed_int</span><span class="macro">!</span>(<span class="ident">impl_neg</span>);

     <span class="attribute">#[<span class="ident">lang</span> <span class="op">=</span> <span class="string">&quot;not&quot;</span>]</span>
     <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Not</span> {
         <span class="kw">type</span> <span class="ident">Output</span>;
         <span class="kw">fn</span> <span class="ident">not</span>(<span class="self">self</span>) <span class="op">-&gt;</span> <span class="self">Self</span>::<span class="ident">Output</span>;
     }

     <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_not</span> {
         ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">ident</span>)<span class="kw-2">*</span>) <span class="op">=&gt;</span> ($(
             <span class="kw">impl</span> <span class="ident">Not</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> {
                 <span class="kw">type</span> <span class="ident">Output</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>;
                 <span class="kw">fn</span> <span class="ident">not</span>(<span class="self">self</span>) <span class="op">-&gt;</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span> { <span class="op">!</span><span class="self">self</span> }
             }
         )<span class="kw-2">*</span>)
     }
     <span class="macro">each_int</span><span class="macro">!</span>(<span class="ident">impl_not</span>);

     <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">mem</span> {
         <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">size_of_val</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>(_: <span class="kw-2">&amp;</span><span class="ident">T</span>) <span class="op">-&gt;</span> <span class="ident">usize</span> { <span class="number">4</span> }
     }
 }
 </pre>
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