...to be memory-safe. Then the caller would make sure that it was passing in...

...80% safe, but it's not obvious what it would take to make it safer.

...have the function attribute `pure` [[1]]. It would have avoided the problem.. for instance:

```d...

...guess the correct thing to do here would be to check if `result & 0xFF == 0`.

...the alternative would be that unittests attempt to undo themselves, and that would make bugs...

Hey Walter, I would love to try this, but it seems the latest DMD version...

https://issues.dlang.org/show_bug.cgi?id=23285

--- Comment #1 from dlangBugzillaToGithub <robert.schadek...

What would also work would be, only in the case of `throw`, to statically disallow...

...how a sum type exception handling mechanism would work. There is plenty of desire for...

...above would be permitted... only if you called it with a throwing delegate would it...