commit 6758875ee6bc711736c5440ca940e8624e893a14
author David Tolnay <dtolnay@gmail.com> Sun Oct 30 12:23:10 2016 -0700
committer David Tolnay <dtolnay@gmail.com> Sun Oct 30 12:23:53 2016 -0700
tree 89fe7c1de82b8038aadd5e0e2742db74c5e7d624
parent 67370bbd878617d8860633a63d7f5a02993c076e

Allow array index as constant expression

src/visit.rs

diff --git a/src/visit.rs b/src/visit.rs
index b9fd8fb..0836a75 100644
--- a/src/visit.rs
+++ b/src/visit.rs
@@ -283,6 +283,10 @@
         ConstExpr::Path(ref path) => {
             visitor.visit_path(path);
         }
+        ConstExpr::Index(ref expr, ref index) => {
+            visitor.visit_const_expr(expr);
+            visitor.visit_const_expr(index);
+        }
         ConstExpr::Paren(ref expr) => {
             visitor.visit_const_expr(expr);
         }