lrust_typing: make sum type opaque, for consistency with the other types

f0449ed6 · Ralf Jung · a0aa9ed3 · f0449ed6
Commit f0449ed6 authored 8 years ago by Ralf Jung
--- a/theories/typing/sum.v
+++ b/theories/typing/sum.v
@@ -249,4 +249,5 @@ End sum.
 Notation "Σ[ ty1 ; .. ; tyn ]" :=
  (sum (cons ty1%T (..(cons tyn%T nil)..))) : lrust_type_scope.

+Hint Opaque sum : lrust_typing lrust_typing_merge.
 Hint Resolve sum_mono' sum_proper' : lrust_typing.