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Implement feature gate logic

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This commit is contained in:
Nadrieril 2024-01-18 19:22:44 +01:00
parent 886108b9fe
commit 95a14d43d7
7 changed files with 806 additions and 158 deletions
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compiler/rustc_pattern_analysis/src/lib.rs
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@ -95,6 +95,7 @@ pub trait TypeCx: Sized + fmt::Debug {
type PatData: Clone;
fn is_exhaustive_patterns_feature_on(&self) -> bool;
fn is_min_exhaustive_patterns_feature_on(&self) -> bool;
/// The number of fields for this constructor.
fn ctor_arity(&self, ctor: &Constructor<Self>, ty: &Self::Ty) -> usize;