[Haskell-cafe] A tale of Project Euler

[Henning Thielemann]

On Fri, 30 Nov 2007, Bulat Ziganshin wrote:

> Hello Andrew,
>
> Thursday, November 29, 2007, 9:43:48 PM, you wrote:
>
> >> Fifth thing: better use an STUArray, don't drag IO in if it's not necessary.
> >>
>
> > I don't understand the ST monad.
>
> it's just a subset of IO monad, with renamed operations

http://www.haskell.org/haskellwiki/Monad/ST