From: Brian Hurt <bhurt@spnz.org>
To: Chris GauthierDickey <chrisg@cs.uoregon.edu>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] labels in records?
Date: Fri, 7 Nov 2003 17:34:18 -0600 (CST) [thread overview]
Message-ID: <Pine.LNX.4.44.0311071731590.5009-100000@localhost.localdomain> (raw)
In-Reply-To: <3FAC1C3B.6070100@cs.uoregon.edu>
On Fri, 7 Nov 2003, Chris GauthierDickey wrote:
> Is it possible to use a labelled function as a member of a record?
>
> In other words:
>
> let f ~x = x + 1
>
> type { g: ~x:int -> int }
> ^
> syntax error
No tilde. Try:
type t = { g: x:int -> int }
One nice thing about ocaml, is that the top level prints out
syntax-correct types. So, you see:
# let f ~x = x + 3 ;;
val f : x:int -> int = <fun>
#
Note that lack of a tilde on the type definition. I just mention this
because it's how *I* remember when a tilde is needed and when it isn't
:-).
Brian
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prev parent reply other threads:[~2003-11-07 22:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-07 22:27 Chris GauthierDickey
2003-11-07 23:34 ` Brian Hurt [this message]
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