Thanks to everyone who replied - it looks like this feature is enough in demand that GHC HQ may want to accept it. I've created a ticket at http://hackage.haskell.org/trac/ghc/ticket/4359
On 2 October 2010 14:23, Max Bolingbroke <batterseapo...@hotmail.com> wrote: > Hi Cafe, > > I implemented the proposed Haskell' feature lambda-case/lambda-if [1] > during the Haskell Implementors Workshop yesterday for a bit of fun. > The patches are online [2, 3]. > > The feature is demonstrated in this GHCi session: > > $ inplace/bin/ghc-stage2 --interactive -XLambdaCase > GHCi, version 7.1.20101002: http://www.haskell.org/ghc/ :? for help > Loading package ghc-prim ... linking ... done. > Loading package integer-gmp ... linking ... done. > Loading package base ... linking ... done. > Loading package ffi-1.0 ... linking ... done. > Prelude> (if then "Haskell" else "Cafe") False > "Cafe" > Prelude> (case of 1 -> "One"; _ -> "Not-one") 1 > "One" > Prelude> :q > > Do you like this feature and think it would be worth incorporating > this into GHC? Or is it too specialised to be of use? If there is > enough support, I'll create a ticket and see what GHC HQ make of it. > > Max > > [1] http://hackage.haskell.org/trac/haskell-prime/ticket/41 > [2] http://www.omega-prime.co.uk/files/LambdaCase-Testsuite.patch > [3] http://www.omega-prime.co.uk/files/LambdaCase-Compiler.patch > _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe