ndmitchell: > Hi > > > 1. What is "ghc-core"? > > You actually answer this question as part of question 2. Think of it > as simple Haskell with some additional bits. > > > 2. Does anybody know how to actually read GHC's Core output anyway? > > To me, > > it looks almost exactly like very, very complicated Haskell source with a > > suspicious concentration of case expressions - but I understand that in the > > Core language, many constructs actually mean something quite different. > > There is one different from standard Haskell I am aware of. In Core, > case x of _ -> 1 will evaluate x, in Haskell it won't. Other than > that, its just Haskell, but without pattern matching and only cases - > hence the rather high number of cases.
Well, 'let's too, which bind either unlifted or lifted values. If they're binding lifted things, that's a thunk being allocated. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe