Store GenericParams in arena

1 files changed, 10 insertions, 0 deletions

diff --git a/crates/ra_hir_def/src/lib.rs b/crates/ra_hir_def/src/lib.rs
index 68e66d276..b8dfc0ab1 100644
--- a/crates/ra_hir_def/src/lib.rs
+++ b/crates/ra_hir_def/src/lib.rs
@@ -318,6 +318,16 @@ macro_rules! impl_froms {
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct GenericParamId {
+    pub parent: GenericDefId,
+    pub local_id: LocalGenericParamId,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct LocalGenericParamId(RawId);
+impl_arena_id!(LocalGenericParamId);
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum ContainerId {
     ModuleId(ModuleId),
     ImplId(ImplId),