On Thu, May 06, 2010 at 10:05:05AM +0200, David Virebayre wrote: > A constructor can be seen as a function that takes some parameters and > produces a value > > for example with the type Maybe a, which has 2 constructors ; Just and > Nothing : > > Prelude> :t Just > Just :: a -> Maybe a > > the constructor Just is a function that takes a value of type a and > makes a value of type Maybe a. > > Prelude> :t Just > Just :: a -> Maybe a
Ouch, that makes things clear. Thanks for the explanation! -- Eugene N Dzhurinsky
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