From: Pierre Weis <Pierre.Weis@inria.fr>
To: larson@leopard.cs.byu.edu (Trent Larson)
Cc: caml-list@inria.fr
Subject: Re: ocaml prefix syntax
Date: Thu, 29 May 1997 16:52:07 +0200 (MET DST) [thread overview]
Message-ID: <199705291452.QAA12728@pauillac.inria.fr> (raw)
In-Reply-To: <199705281819.AA022293558@lynx.cs.byu.edu> from Trent Larson at "May 28, 97 12:19:18 pm"
> CAML allows me to define the following prefix identifier:
>
> let prefix !~ = ....
>
> Objective CAML documentation says it allows ! (and ? and ~) as prefix
> operators, too, but I get "Characters 11-13: Syntax error" when I try.
> How do I use prefix characters in OCAML?
>
> Trent
>
> (Apologies for no French.)
You should enclose your infix operator into parens, instead of using
the prefix keyword:
# let (!~) x = x + 1;;
val !~ : int -> int = <fun>
Pierre Weis
INRIA, Projet Cristal, Pierre.Weis@inria.fr, http://pauillac.inria.fr/~weis/
prev parent reply other threads:[~1997-05-29 15:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-05-28 18:19 Trent Larson
1997-05-29 14:52 ` Pierre Weis [this message]
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