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authorGravatar Adam Chlipala <adamc@hcoop.net>2008-11-01 17:19:12 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-11-01 17:19:12 -0400
commit9a22207b565607db64f95dda5fdc1c9e56224ec9 (patch)
treefcd5c44e383db901b132519ee9a953101bcb7b04 /src/elab_env.sml
parent36a9df5f71b954949b92520c6e472548aa5ebfb1 (diff)
Fix some type-class detection
Diffstat (limited to 'src/elab_env.sml')
-rw-r--r--src/elab_env.sml1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/elab_env.sml b/src/elab_env.sml
index 2732de13..6b762abd 100644
--- a/src/elab_env.sml
+++ b/src/elab_env.sml
@@ -419,6 +419,7 @@ fun class_pair_in (c, _) =
(case (class_name_in f, class_key_in x) of
(SOME f, SOME x) => SOME (f, x)
| _ => NONE)
+ | CUnif (_, _, _, ref (SOME c)) => class_pair_in c
| _ => NONE
fun resolveClass (env : env) c =