ghc-8.2.0.20170404: The GHC API

Safe HaskellNone
LanguageHaskell2010

PrelRules (signature[?])

Synopsis

Documentation

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

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