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[ty] Improve effectiveness of KnownClass fast paths in instance.rs (#19762)

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Alex Waygood 2025-08-05 13:26:14 +01:00 • committed by GitHub
parent 948f3f856c
commit 7dccb6a98c
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1 changed files with 6 additions and 4 deletions
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10
crates/ty_python_semantic/src/types/instance.rs
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@ -125,15 +125,17 @@ impl<'db> NominalInstanceType<'db> {
}
pub(super) fn is_singleton(self, db: &'db dyn Db) -> bool {
self.class.known(db).is_some_and(KnownClass::is_singleton)
|| is_single_member_enum(db, self.class.class_literal(db).0)
self.class
.known(db)
.map(KnownClass::is_singleton)
.unwrap_or_else(|| is_single_member_enum(db, self.class.class_literal(db).0))
}
pub(super) fn is_single_valued(self, db: &'db dyn Db) -> bool {
self.class
.known(db)
.is_some_and(KnownClass::is_single_valued)
|| is_single_member_enum(db, self.class.class_literal(db).0)
.map(KnownClass::is_single_valued)
.unwrap_or_else(|| is_single_member_enum(db, self.class.class_literal(db).0))
}
pub(super) fn to_meta_type(self, db: &'db dyn Db) -> Type<'db> {