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Diffstat (limited to 'crates/hir-ty/src/utils.rs')
| -rw-r--r-- | crates/hir-ty/src/utils.rs | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/crates/hir-ty/src/utils.rs b/crates/hir-ty/src/utils.rs index afd4d1f271..77c5fd054d 100644 --- a/crates/hir-ty/src/utils.rs +++ b/crates/hir-ty/src/utils.rs @@ -262,7 +262,7 @@ impl<'a> ClosureSubst<'a> { } } -#[derive(Debug)] +#[derive(Clone, Debug)] pub(crate) struct Generics { def: GenericDefId, pub(crate) params: Interned<GenericParams>, @@ -274,6 +274,10 @@ impl Generics { self.iter().map(|(id, _)| id) } + pub(crate) fn def(&self) -> GenericDefId { + self.def + } + /// Iterator over types and const params of self, then parent. pub(crate) fn iter<'a>( &'a self, @@ -450,6 +454,10 @@ impl Generics { self.parent_generics.as_deref() } + pub(crate) fn parent_or_self(&self) -> &Generics { + self.parent_generics.as_deref().unwrap_or(self) + } + /// Returns a Substitution that replaces each parameter by a bound variable. pub(crate) fn bound_vars_subst( &self, |