Issue 2263 fn subtyping #3854
Closed
Issue 2263 fn subtyping #3854
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
r+ Great comments and tests. Took me a while to digest how region inference works, but it lgtm. |
|
Merged in 1a3a707 |
RalfJung
pushed a commit
to RalfJung/rust
that referenced
this pull request
Sep 8, 2024
Automatic Rustup
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
r? @brson
This is a partial fix for #2263. It corrects subtyping for function types with bound lifetimes, but not LUB/GLB. The description in the comment in region_inference.rs (included in the patch) explains the situation as best I can, it's a fairly subtle problem, I won't repeat it here.