From c82d1823a1624f4990b1ebaba5b6173f15631381 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sat, 13 Mar 2021 20:38:11 +0100
Subject: Create TraitEnvironment through a query

---
 crates/hir_def/src/lib.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'crates/hir_def')

diff --git a/crates/hir_def/src/lib.rs b/crates/hir_def/src/lib.rs
index 6d11c5be4..c6655c5fb 100644
--- a/crates/hir_def/src/lib.rs
+++ b/crates/hir_def/src/lib.rs
@@ -341,6 +341,16 @@ pub enum DefWithBodyId {
 
 impl_from!(FunctionId, ConstId, StaticId for DefWithBodyId);
 
+impl DefWithBodyId {
+    pub fn as_generic_def_id(self) -> Option<GenericDefId> {
+        match self {
+            DefWithBodyId::FunctionId(f) => Some(f.into()),
+            DefWithBodyId::StaticId(_) => None,
+            DefWithBodyId::ConstId(c) => Some(c.into()),
+        }
+    }
+}
+
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum AssocItemId {
     FunctionId(FunctionId),
-- 
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