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| author | Folkert de Vries <flokkievids@gmail.com> | 2025-08-03 10:44:41 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-08-03 10:44:41 +0000 |
| commit | c691374cc19d583103f3da5d655efb308a1648b9 (patch) | |
| tree | 767496caef5b54e56f46a834d0d612705ce5e488 /compiler/rustc_pattern_analysis/src/lib.rs | |
| parent | daa742afe5970109c1e15b391226f78087b10439 (diff) | |
| parent | 49aa0ecc7b251003e61c38a56471195a2d3dabee (diff) | |
| download | rust-c691374cc19d583103f3da5d655efb308a1648b9.tar.gz rust-c691374cc19d583103f3da5d655efb308a1648b9.zip | |
Merge pull request #1889 from rust-lang/rustc-pull
Rustc pull update
Diffstat (limited to 'compiler/rustc_pattern_analysis/src/lib.rs')
| -rw-r--r-- | compiler/rustc_pattern_analysis/src/lib.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/rustc_pattern_analysis/src/lib.rs b/compiler/rustc_pattern_analysis/src/lib.rs index 66df35f9ee4..d9bb93a829b 100644 --- a/compiler/rustc_pattern_analysis/src/lib.rs +++ b/compiler/rustc_pattern_analysis/src/lib.rs @@ -57,6 +57,13 @@ pub trait PatCx: Sized + fmt::Debug { fn is_exhaustive_patterns_feature_on(&self) -> bool; + /// Whether to ensure the non-exhaustiveness witnesses we report for a complete set. This is + /// `false` by default to avoid some exponential blowup cases such as + /// <https://github.com/rust-lang/rust/issues/118437>. + fn exhaustive_witnesses(&self) -> bool { + false + } + /// The number of fields for this constructor. fn ctor_arity(&self, ctor: &Constructor<Self>, ty: &Self::Ty) -> usize; |