le is not tested</span></div></div><div class="example-wrap"><pre class="rust rust-example-rendered ignore">
<span class="attribute">#[<span class="ident">proc_macro_error</span>]</span>
<span class="attribute">#[<span class="ident">proc_macro_hack</span>]</span>
<span class="attribute">#[<span class="ident">proc_macro</span>]</span>
<span class="kw">fn</span> <span class="ident">my_macro</span>(<span class="ident">input</span>: <span class="ident">TokenStream</span>) <span class="op">-</span><span class="o