From 3c4a4c6ae9f62c960ba118b6e1941ba006d221d7 Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Sun, 20 Jan 2019 18:08:25 +0100
Subject: Fix panic on inferring field access on an enum

---
 crates/ra_hir/src/ty.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'crates/ra_hir/src/ty.rs')

diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index 9b7182485..c602450e1 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -688,9 +688,13 @@ pub(super) fn type_for_field(db: &impl HirDatabase, def_id: DefId, field: Name)
         Def::Struct(s) => (s.variant_data(db), s.generic_params(db)),
         Def::EnumVariant(ev) => (ev.variant_data(db), ev.parent_enum(db).generic_params(db)),
         // TODO: unions
+        Def::Enum(_) => {
+            // this can happen in (invalid) code, but enums don't have fields themselves
+            return None;
+        }
         _ => panic!(
-            "trying to get type for field in non-struct/variant {:?}",
-            def_id
+            "trying to get type for field {:?} in non-struct/variant {:?}",
+            field, def_id
         ),
     };
     let module = def_id.module(db);
-- 
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