[Issue 22004] [REG2.097] Error: mismatched function return type inference of `void` and `noreturn`

d-bugmail at puremagic.com d-bugmail at puremagic.com
Sat Oct 9 09:07:05 UTC 2021


https://issues.dlang.org/show_bug.cgi?id=22004

--- Comment #3 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #13135 "Issue 22004 - Allow noreturn returns from void
functions" was merged into stable:

- 3d83852dc2f36b76a83cab6a21b6461d84012af4 by MoonlightSentinel:
  Issue 22004 - Allow noreturn returns from void functions

  This is valid because
  - `noreturn` is convertible to any type (incl. `void`)
  - the program will abort/throw while evaluating the expression and hence
    never actually return a value

  This means that the `ReturnStatement` can be replaced by the standalone
  expression without changing the behaviour of the program.

  ---

  Doesn't fix 22004 because the supplied example requires further changes
  to accomodate for `return <noreturn>;` and subsequent `return;`'s during
  the return type inference.

https://github.com/dlang/dmd/pull/13135

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