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| author | Nadrieril <nadrieril+git@gmail.com> | 2023-12-22 23:47:44 +0100 |
|---|---|---|
| committer | Nadrieril <nadrieril+git@gmail.com> | 2023-12-23 00:08:38 +0100 |
| commit | 5fccaee59c290b85612d4adb120b3e745d3f16dd (patch) | |
| tree | 70825ead158d7c22abeed9bde643e2f6fec65353 /compiler/rustc_pattern_analysis/src/usefulness.rs | |
| parent | f6af7478ba66fc016b5baabd689883b88316bfc2 (diff) | |
| download | rust-5fccaee59c290b85612d4adb120b3e745d3f16dd.tar.gz rust-5fccaee59c290b85612d4adb120b3e745d3f16dd.zip | |
Clarify the situation with dummy patterns and `PatData`
Use an explicit `Option` instead of requiring a `Default` bound
Diffstat (limited to 'compiler/rustc_pattern_analysis/src/usefulness.rs')
| -rw-r--r-- | compiler/rustc_pattern_analysis/src/usefulness.rs | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/rustc_pattern_analysis/src/usefulness.rs b/compiler/rustc_pattern_analysis/src/usefulness.rs index b1190d84c8e..a7cd944c0f1 100644 --- a/compiler/rustc_pattern_analysis/src/usefulness.rs +++ b/compiler/rustc_pattern_analysis/src/usefulness.rs @@ -840,8 +840,7 @@ impl<'a, 'p, Cx: TypeCx> Matrix<'a, 'p, Cx> { scrut_ty: Cx::Ty, scrut_validity: ValidityConstraint, ) -> Self { - let wild_pattern = - wildcard_arena.alloc(DeconstructedPat::wildcard(scrut_ty, Default::default())); + let wild_pattern = wildcard_arena.alloc(DeconstructedPat::wildcard(scrut_ty)); let wildcard_row = PatStack::from_pattern(wild_pattern); let mut matrix = Matrix { rows: Vec::with_capacity(arms.len()), |