annotate where we have binders

5f8cdc5f · Ralf Jung · de973b37 · 5f8cdc5f
Commit 5f8cdc5f authored Jan 08, 2016 by Ralf Jung
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channel/heap_lang.v channel/heap_lang.v +1 -1

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--- a/channel/heap_lang.v
+++ b/channel/heap_lang.v
@@ -57,7 +57,7 @@ Instance Rename_expr : Rename expr. derive. Defined.
 Instance Subst_expr : Subst expr. derive. Defined.
 Instance SubstLemmas_expr : SubstLemmas expr. derive. Qed.

-Definition Lam (e: expr) := Rec (e.[up ids]).
+Definition Lam (e: {bind expr}) := Rec (e.[up ids]).
 Definition LitUnit := Lit tt.
 Definition LitTrue := Lit true.
 Definition LitFalse := Lit false.