On Feb 15, 2011, at 6:05 PM, Daniel Fischer <daniel.is.fisc...@googlemail.com> wrote:
> On Tuesday 15 February 2011 23:29:39, Andrew Coppin wrote: >> >> Ouch! >> >> I suppose what we could really do with is a combinator that runs a >> monadic action N times, without actually constructing a list N elements >> long in order to do so. > > True enough. But I guess nobody¹ bothered yet because there are so many > possible designs and most of them are trivial to implement in a line or two > (so the pain of writing them repeatedly isn't bad enough). > > ¹ Not quite true, there's the monad-loops package on hackage which provides > a handful of loops. But not the trivial nTimesDo. > Doesn't Control.Monad.replicateM_ do exactly that? -- James _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
