[Haskell-cafe] functional update

[Henning Thielemann]

On Mon, 21 Apr 2008, Ryan Ingram wrote:

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