ghc-8.10.0.20191210: The GHC API
Safe HaskellNone
LanguageHaskell2010

PrelRules

Synopsis

Documentation

caseRules :: DynFlags -> CoreExpr -> Maybe (CoreExpr, AltCon -> Maybe AltCon, Id -> CoreExpr) Source #

Match the scrutinee of a case and potentially return a new scrutinee and a function to apply to each literal alternative.