From: Kenneth Knowles <kknowles@berkeley.edu>
To: John Goerzen <jgoerzen@complete.org>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Strange syntax behavior
Date: Tue, 1 Jun 2004 10:40:14 -0700 [thread overview]
Message-ID: <20040601174014.GA9577@tallman> (raw)
In-Reply-To: <20040601171354.GA16495@excelhustler.com>
On Tue, Jun 01, 2004 at 12:13:54PM -0500, John Goerzen wrote:
> In the case of if...then...else, the else clause appears to consume only
> the first statement following. With try..with, the with clause appears
> to consume everything it possibly can, despite even attempts to stop
> that with a begin..end clause.
You'll need (try raise Not_found with Not_found -> p "exc"); p "done";;
I'd guess the reason the precedence is such is to require as few parentheses as
possible. Most uses of try or match are not in a sequence of expressions, while
many if-then-else expressions are. Essentially, matching constructs and if
constructs are not analogous. Examples with clear indentation:
if true then
p "yes"
else
p "no";
p "done"
if true then
p "yes"
else (
p "no";
p "done"
)
try raise Not_found with
| Not_found ->
p "exc";
p "done"
(try raise Not_found with
| Not_found -> p "exec");
p "done"
Kenn
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next prev parent reply other threads:[~2004-06-01 17:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-01 17:13 John Goerzen
2004-06-01 17:30 ` Jon Harrop
2004-06-01 17:40 ` Kenneth Knowles [this message]
2004-06-01 17:44 ` Christophe TROESTLER
2004-06-01 17:55 ` skaller
2004-06-02 8:31 ` Hendrik Tews
2004-06-02 8:35 ` Richard Jones
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