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Rejig the error messages a bit; fixes a minor bug
[ghc-hetmet.git]
/
compiler
/
typecheck
/
Inst.lhs
diff --git
a/compiler/typecheck/Inst.lhs
b/compiler/typecheck/Inst.lhs
index
fac10ab
..
d75a7cd
100644
(file)
--- a/
compiler/typecheck/Inst.lhs
+++ b/
compiler/typecheck/Inst.lhs
@@
-52,8
+52,7
@@
module Inst (
eitherEqInst, mkEqInst, mkEqInsts, mkWantedEqInst,
finalizeEqInst, writeWantedCoercion,
eqInstType, updateEqInstCoercion,
eitherEqInst, mkEqInst, mkEqInsts, mkWantedEqInst,
finalizeEqInst, writeWantedCoercion,
eqInstType, updateEqInstCoercion,
- eqInstCoercion,
- eqInstLeftTy, eqInstRightTy
+ eqInstCoercion, eqInstTys
) where
#include "HsVersions.h"
) where
#include "HsVersions.h"
@@
-1052,9
+1051,8
@@
eqInstType inst = eitherEqInst inst mkTyVarTy id
eqInstCoercion :: Inst -> Either TcTyVar Coercion
eqInstCoercion = tci_co
eqInstCoercion :: Inst -> Either TcTyVar Coercion
eqInstCoercion = tci_co
-eqInstLeftTy, eqInstRightTy :: Inst -> TcType
-eqInstLeftTy = tci_left
-eqInstRightTy = tci_right
+eqInstTys :: Inst -> (TcType, TcType)
+eqInstTys inst = (tci_left inst, tci_right inst)
updateEqInstCoercion :: (Either TcTyVar Coercion -> Either TcTyVar Coercion) -> Inst -> Inst
updateEqInstCoercion f inst = inst {tci_co = f $ tci_co inst}
updateEqInstCoercion :: (Either TcTyVar Coercion -> Either TcTyVar Coercion) -> Inst -> Inst
updateEqInstCoercion f inst = inst {tci_co = f $ tci_co inst}