[Haskell-cafe] Re: Changing type of 'when'
gleb.alexeev at gmail.com
Wed Jan 28 08:20:52 EST 2009
> ? 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, 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
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