X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FInst.lhs;h=3a419be8f8ac59d331dc9e182362063a1c51a6db;hb=51367fba96fd863ce7d3e2571bd22366b47b900a;hp=eefc42468c5a161f58fa9778b0c75409a7dbfe7a;hpb=a6f2d598e1e7760d334d1b5ea0b7745e66835e11;p=ghc-hetmet.git diff --git a/compiler/typecheck/Inst.lhs b/compiler/typecheck/Inst.lhs index eefc424..3a419be 100644 --- a/compiler/typecheck/Inst.lhs +++ b/compiler/typecheck/Inst.lhs @@ -37,7 +37,6 @@ import HsSyn import TcHsSyn import TcRnMonad import TcEnv -import TcRnTypes import InstEnv import FunDeps import TcMType @@ -89,7 +88,7 @@ newMethodFromName :: CtOrigin -> Name -> TcRhoType -> TcM (HsExpr TcId) newMethodFromName origin name inst_ty = do { id <- tcLookupId name -- Use tcLookupId not tcLookupGlobalId; the method is almost - -- always a class op, but with -XNoImplicitPrelude GHC is + -- always a class op, but with -XRebindableSyntax GHC is -- meant to find whatever thing is in scope, and that may -- be an ordinary function. @@ -295,7 +294,7 @@ mkOverLit (HsIsString s) = return (HsString s) %* * %************************************************************************ -Suppose we are doing the -XNoImplicitPrelude thing, and we encounter +Suppose we are doing the -XRebindableSyntax thing, and we encounter a do-expression. We have to find (>>) in the current environment, which is done by the rename. Then we have to check that it has the same type as Control.Monad.(>>). Or, more precisely, a compatible type. One 'customer' had