<pre class="rust item-decl"><code>pub enum Cow<'a, B><span class="where fmt-newline">where B: <a class="trait" href="trait.ToOwned.html" title="trait foo::ToOwned">ToOwned</a><dyn <a class="trait" href="{{channel}}/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> + ?<a class="trait" href="{{channel}}/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'a,</span>{ Borrowed(<a class="primitive" href="{{channel}}/std/primitive.reference.html">&'a B</a>), Whatever(<a class="primitive" href="{{channel}}/std/primitive.u32.html">u32</a>), }</code></pre>