> Hi
> What is the rationale behind currying? is it for breaking subroutines into
> pure one-to-one mappings?
We don't have 'subroutines' as such, but otherwise yes. Also, it gives us
partial application - we don't have to apply all the parameters at once,
and we can do interesting and useful things by applying only some to get a
new function.
> If f x y = f x -> a function which takes y for
> argument then does that mean that the second function already has
value x, as
> it were, built into it?
Yep, though I can't make sense of what your syntax is supposed to mean.
I shouldn't take it too literally. It's just to illustrate the point
that f x returns another function with x already in it and y passed
as argument.
Could you perhaps demonstrate how you can apply parts of curried
functions in other functions in Haskell?
Thanks,
Paul
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