This crate aims to make error reporting in proc-macros simple and easy to use.
Migrate from <code>panic!</code>-based errors for as little effort as possible!</p>
<p>Also, there's ability to <a href="dummy/index.html">append a dummy token stream</a> to your errors.</p>
<h2 id="limitations" class="section-header"><a href="#limitations">Limitations</a></h2>
<ul>
<li>Warnings are emitted only on nightly, they are ignored on stable.</li>
<li>&quot;help&quot; suggestions can't have their own span info on stable,