Make returning io errors more uniform and convenient#3929

Merged

bors merged 3 commits intorust-lang:masterfrom

RalfJung:io-error

Oct 1, 2024

Commits on Oct 1, 2024

move io error handling helpers to their own file
RalfJung
committed
make set_last_error directly callable on a bunch of ways to represent errors
RalfJung
committed
add set_last_error_and_return_i32 helper and use it in a few places
RalfJung
committed