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let you :show things that you can :set (e.g. args, prog etc.)
[ghc-hetmet.git]
/
compiler
/
typecheck
/
TcClassDcl.lhs
diff --git
a/compiler/typecheck/TcClassDcl.lhs
b/compiler/typecheck/TcClassDcl.lhs
index
f43a4d7
..
87c1841
100644
(file)
--- a/
compiler/typecheck/TcClassDcl.lhs
+++ b/
compiler/typecheck/TcClassDcl.lhs
@@
-767,7
+767,7
@@
badGenericInstance sel_id because
notSimple inst_tys
= vcat [ptext SLIT("because the instance type(s)"),
nest 2 (ppr inst_tys),
notSimple inst_tys
= vcat [ptext SLIT("because the instance type(s)"),
nest 2 (ppr inst_tys),
- ptext SLIT("is not a simple type of form (T a b c)")]
+ ptext SLIT("is not a simple type of form (T a1 ... an)")]
notGeneric tycon
= vcat [ptext SLIT("because the instance type constructor") <+> quotes (ppr tycon) <+>
notGeneric tycon
= vcat [ptext SLIT("because the instance type constructor") <+> quotes (ppr tycon) <+>