<p dir="auto">Due to the way MSYS sandboxes file paths, paths passed to <code class="notranslate">cl.exe</code> are expanded into values which are invalid outside of MSYS.</p>
<p dir="auto">I anticipate a lot of "GEE I WONDER WHY I DIDN'T THINK OF THAT" when newcomers come into the channel asking how to make their types hashable, since the hash trait has some weirdo type signature, and the answer is "Derive this other typeclass you've never heard of before."</p>
<p dir="auto">Why can't we just make it be #[deriving(Hash)]? It also makes already-written code more legible.</p>