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Diffstat (limited to 'crates/hir-def/src/generics.rs')
| -rw-r--r-- | crates/hir-def/src/generics.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/crates/hir-def/src/generics.rs b/crates/hir-def/src/generics.rs index 8bdd9c6587..c141acd2ec 100644 --- a/crates/hir-def/src/generics.rs +++ b/crates/hir-def/src/generics.rs @@ -102,6 +102,46 @@ impl TypeOrConstParamData { impl_from!(TypeParamData, ConstParamData for TypeOrConstParamData); +#[derive(Clone, PartialEq, Eq, Debug, Hash)] +pub enum GenericParamData { + TypeParamData(TypeParamData), + ConstParamData(ConstParamData), + LifetimeParamData(LifetimeParamData), +} + +impl GenericParamData { + pub fn name(&self) -> Option<&Name> { + match self { + GenericParamData::TypeParamData(it) => it.name.as_ref(), + GenericParamData::ConstParamData(it) => Some(&it.name), + GenericParamData::LifetimeParamData(it) => Some(&it.name), + } + } + + pub fn type_param(&self) -> Option<&TypeParamData> { + match self { + GenericParamData::TypeParamData(it) => Some(it), + _ => None, + } + } + + pub fn const_param(&self) -> Option<&ConstParamData> { + match self { + GenericParamData::ConstParamData(it) => Some(it), + _ => None, + } + } + + pub fn lifetime_param(&self) -> Option<&LifetimeParamData> { + match self { + GenericParamData::LifetimeParamData(it) => Some(it), + _ => None, + } + } +} + +impl_from!(TypeParamData, ConstParamData, LifetimeParamData for GenericParamData); + /// Data about the generic parameters of a function, struct, impl, etc. #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub struct GenericParams { |