mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-24 22:17:08 +00:00
53eab246db
Allow opaque types in trait impl headers and rely on coherence to reject unsound cases r? ````@lcnr```` fixes #99840
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.