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From: Markus Mottl <mottl@miss.wu-wien.ac.at>
To: caml-list@inria.fr (OCAML)
Subject: "catch-all" labels?
Date: Sun, 13 Feb 2000 18:42:24 +0100 (MET)	[thread overview]
Message-ID: <200002131742.SAA19849@miss.wu-wien.ac.at> (raw)

Hello,

in some function applications labels seem to be somewhat more clumsy than
their unlabeled version, e.g.:

  # List.fold_left fun:(+) acc:0 [1;2;3];;
  This expression has type int -> int -> int but is here used with type
    acc:'a -> 'b -> 'a

Would it make sense to introduce something like "catch-all" labels, which
might be useful in functions like "+" where the order of parameters does
not matter, maybe:

  let (+) _:x _:y = x + y

which would match any label? (Only curious...)

Regards,
Markus Mottl

-- 
Markus Mottl, mottl@miss.wu-wien.ac.at, http://miss.wu-wien.ac.at/~mottl




                 reply	other threads:[~2000-02-13 21:13 UTC|newest]

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