[project @ 2004-12-20 17:16:24 by simonpj]

[ghc-hetmet.git] / ghc / compiler / coreSyn / Subst.lhs

diff --git a/ghc/compiler/coreSyn/Subst.lhs b/ghc/compiler/coreSyn/Subst.lhs
index 36b5de8..8a7d9dd 100644 (file)
--- a/ghc/compiler/coreSyn/Subst.lhs
+++ b/ghc/compiler/coreSyn/Subst.lhs
@@ -6,8 +6,9 @@
 \begin{code}
 module Subst (
        -- Substitution stuff
-       Subst, SubstResult(..),
-       emptySubst, mkSubst, substInScope, substTy,
+       IdSubstEnv, SubstResult(..),
+
+       Subst, emptySubst, mkSubst, substInScope, substTy,
        lookupIdSubst, lookupTvSubst, isEmptySubst, 
        extendIdSubst, extendIdSubstList, extendTvSubst, extendTvSubstList,
        zapSubstEnv, setSubstEnv,