Support trait upcasting #796
Open
Conversation
This file contains 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
|
This one I'll have to get back to |
|
☔ The latest upstream changes (presumably #780) made this pull request unmergeable. Please resolve the merge conflicts. |
bors
added a commit
to rust-lang/rust-analyzer
that referenced
this pull request
Sep 11, 2024
Skip checks for cast to dyn traits It seems that chalk fails to solve some obvious goals when there are some recursiveness in trait environments. And it doesn't support trait upcasting yet. rust-lang/chalk#796 This PR just skips for casting into types containing `dyn Trait` to prevent false positive diagnostics like #18047 and #18083
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Outdated suggestions cannot be applied.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.
This PR implements RFC3324,
dyn Traitupcasting (cc rust-lang/rust#65991).As explained in the RFC, this PR adds builtin clauses for
Unsizewith applicability checks: