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[Caml-list] Function call with a list of parameters

Vincent Barichard <Vincent Barichard
- Chris Hecker
  - Bruce Hoult
  - Vincent Barichard <Vincent Barichard
    - Diego Olivier Fernandez Pons
      - Bruno Pagano
        
        Diego Olivier Fernandez Pons
        
        Alain Frisch
        
        Francois Pottier
  - Francois Pottier
    - Chris Hecker
  - Markus Mottl
- Jim Farrand

Date:	-- (:)
From:	Francois Pottier <francois.pottier@i...>
Subject:	Re: [Caml-list] Function call with a list of parameters


On Tue, Dec 11, 2001 at 02:59:22PM -0800, Chris Hecker wrote:

> I have a function that returns a tuple, and a function that takes two
> curried parameters.  I'd like to pass the results of the first to the
> second, without having to break up the tuple with fst and snd (or pattern
> matching).
> 
> let f () = (1,2)
> let g x y = x + y

The usual solution is as follows:

  # let uncurry g (x,y) = g x y;;
  val uncurry : ('a -> 'b -> 'c) -> 'a * 'b -> 'c = <fun>
  # uncurry g (f());;
  - : int = 3

-- 
François Pottier
Francois.Pottier@inria.fr
http://pauillac.inria.fr/~fpottier/
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