io: Use `NonNull` for all `Custom` API related to `Box`, update documentation for `Custom` - #161020

Merged

rust-bors[bot] merged 2 commits into

rust-lang:mainfrom

tgross35:io-error-updates

Aug 14, 2026

Commits on Aug 13, 2026

io: Use `NonNull` for all `Custom` API related to `Box`
tgross35
committed
c48651a
io: Improve internal documentation for `Custom` error
tgross35
committed
57b5019