='kw-2'>&amp;</span><span class='self'>self</span>) <span class='op'>-&gt;</span> <span class='ident'>LockResult</span><span class='op'>&lt;</span><span class='ident'>MutexGuard</span><span class='op'>&lt;</span><span class='ident'>T</span><span class='op'>&gt;&gt;</span></pre>

<!-- and because `Send` is not implemented for `MutexGuard<T>`, the guard cannot -->

<!-- cross thread boundaries, ensuring thread-locality of lock acquire and release. -->

<p>そして、 <code>Send</code> は <code>MutexGuard&lt