Re: [Haskell-cafe] functional update

On Mon, 21 Apr 2008, Ryan Ingram wrote:

I recommend this blog entry: http://twan.home.fmf.nl/blog/haskell/overloading-functional-references.detai...

along with a few additional combinators for imperative update:

data FRef s a = FRef { frGet :: s -> a , frSet :: a -> s -> s }

http://darcs.haskell.org/record-access/src/Data/Accessor.hs http://darcs.haskell.org/record-access/src/Data/Accessor/Example.hs I should upload this to Hackage, I know ...