import PrelInfo
import SrcLoc
import Outputable
+import FastString
import Control.Monad ( liftM2 )
\end{code}
let projBody = mkCoreLet (NonRec let'v clet) $
mkCoreTup [Var v, Var let'v]
errTy = exprType projBody
- errMsg = "DsListComp.dePArrComp: internal error!"
+ errMsg = ptext (sLit "DsListComp.dePArrComp: internal error!")
cerr <- mkErrorAppDs pAT_ERROR_ID errTy errMsg
ccase <- matchSimply (Var v) (StmtCtxt PArrComp) pa projBody cerr
let pa' = mkLHsPatTup [pa, mkLHsPatTup (map nlVarPat xs)]
-> DsM (CoreExpr, Type)
mkLambda ty p ce = do
v <- newSysLocalDs ty
- let errMsg = do "DsListComp.deLambda: internal error!"
+ let errMsg = ptext (sLit "DsListComp.deLambda: internal error!")
ce'ty = exprType ce
cerr <- mkErrorAppDs pAT_ERROR_ID ce'ty errMsg
res <- matchSimply (Var v) (StmtCtxt PArrComp) p ce cerr