28 Jan
2009
28 Jan
'09
8:20 a.m.
Maurício wrote:
? It is easy for 'when' to ignore the result of the first computation, and this would not break existing code, and also save a lot of
return ()s.
As Neil Mitchell pointed out[1], ignoring results implicitly may indicate an error. Perhaps it's cleaner to define ignore m = m >> return () and use it like this: when condition $ ignore doSmth [1]http://neilmitchell.blogspot.com/2008/12/mapm-mapm-and-monadic-statements.ht...