On 4/6/10 15:31, Heinrich Apfelmus wrote:
In fact, it doesn't actually work for monads, I think you have to wrap
it in a newtype. :D The same effect can be achieved with `ap` , though:
Fortunately, by now most (standard) monads are also applicatives. :-)
Besides generalizing to an arbitrary number of arguments, it uses infix
operators which saves you some parentheses.
Groetjes,
Martijn.
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