mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-24 05:59:39 +00:00
00876c68c4
nll: correctly deal with bivariance fixes #104409 when in a bivariant context, relating stuff should always trivially succeed. Also changes the mir validator to correctly deal with higher ranked regions. r? types cc ``@RalfJung``
For high-level intro to how type checking works in rustc, see the type checking chapter of the rustc dev guide.