14 Jan
2008
14 Jan
'08
2:51 p.m.
bulat.ziganshin:
Hello Twan,
Monday, January 14, 2008, 7:41:08 PM, you wrote:
I have noticed that many projects include a 'concatMapM' function:
concatMapM :: (Monad m) => (a -> m [b]) -> [a] -> m [b]
I think this is useful in general, so let's add it to Control.Monad.
the one thing that you miss - each time you add popular function to the base library, all programs that include this function becomes incompatible with next GHC version. i wonder whether anyone here has the experience of writing large programs and maintaining them through the years?
There has to be some path to migrate code into base. Do you have any examples of applications that will break, if this is added? -- Don