From d6d453d1200f6461b9c43bcfce5eb66a88562dda Mon Sep 17 00:00:00 2001
From: Richard Feldman <oss@rtfeldman.com>
Date: Sat, 25 Apr 2020 07:00:44 -0400
Subject: [PATCH] Add a TODO comment

---
 compiler/can/src/builtins.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/can/src/builtins.rs b/compiler/can/src/builtins.rs
index 8704cfd6d7..6ca4a083e4 100644
--- a/compiler/can/src/builtins.rs
+++ b/compiler/can/src/builtins.rs
@@ -78,7 +78,7 @@ fn list_get(var_store: &VarStore) -> Def {
                 // Ok
                 Tag {
                     variant_var: var_store.fresh(),
-                    ext_var: var_store.fresh(),
+                    ext_var: var_store.fresh(), // TODO Variable::EMPTY_TAG_UNION should work here
                     name: TagName::Global("Ok".into()),
                     arguments: vec![(
                         var_store.fresh(),