[Haskell-cafe] Currying: The Rationale

[PR Stanley]

> > 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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>
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