Derive Default for QueryArenas#151445
Merged
rust-bors[bot] merged 2 commits intorust-lang:mainfrom Jan 21, 2026
Merged
Conversation
Collaborator
Member
|
@bors r+ |
Contributor
Member
|
@bors rollup |
JonathanBrouwer
added a commit
to JonathanBrouwer/rust
that referenced
this pull request
Jan 21, 2026
Derive `Default` for `QueryArenas` There's no need to manually implement Default for this struct, because the fields are all `TypeArena<_>` or `()`, which both implement Default already. This lets us avoid one occurrence of the `query_if_arena!` macro.
JonathanBrouwer
added a commit
to JonathanBrouwer/rust
that referenced
this pull request
Jan 21, 2026
Derive `Default` for `QueryArenas` There's no need to manually implement Default for this struct, because the fields are all `TypeArena<_>` or `()`, which both implement Default already. This lets us avoid one occurrence of the `query_if_arena!` macro.
This was referenced Jan 21, 2026
rust-bors bot
pushed a commit
that referenced
this pull request
Jan 21, 2026
…uwer Rollup of 6 pull requests Successful merges: - #147426 ( tests/debuginfo/basic-stepping.rs: Add revisions `default-mir-passes`, `no-SingleUseConsts-mir-pass`) - #150880 (Remove old error emitter) - #151432 (use `deny(missing_docs)` for non-mir intrinsics) - #151444 (Move UI tests) - #151445 (Derive `Default` for `QueryArenas`) - #151453 (make `simd_insert_dyn` and `simd_extract_dyn` const) r? @ghost
rust-timer
added a commit
that referenced
this pull request
Jan 21, 2026
Rollup merge of #151445 - Zalathar:arenas-default, r=mati865 Derive `Default` for `QueryArenas` There's no need to manually implement Default for this struct, because the fields are all `TypeArena<_>` or `()`, which both implement Default already. This lets us avoid one occurrence of the `query_if_arena!` macro.
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
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.
There's no need to manually implement Default for this struct, because the fields are all
TypeArena<_>or(), which both implement Default already.This lets us avoid one occurrence of the
query_if_arena!macro.