cut for <code>abort!(Span::call_site(), msg...)</code>. This macro
is still preferable over plain panic, panics are not for error reporting.</p>
</td></tr><tr class='module-item'><td><a class="macro" href="macro.diagnostic.html" title='proc_macro_error::diagnostic macro'>diagnostic</a></td><td class='docblock-short'><p>Build <a href="struct.Diagnostic.html"><code>Diagnostic</code></a> instance from provided arguments.</p>
</td></tr><tr class='module-item'><td><a class="macro" href="macro.emit_call_site_erro