From: briand@aracnet.com
To: Matt Gushee <mgushee@havenrock.com>
Cc: caml-list@pauillac.inria.fr
Subject: Re: [Caml-list] serious type confusion
Date: Sat, 27 Mar 2004 10:34:45 -0800 [thread overview]
Message-ID: <16485.51525.563377.579691@soggy.deldotd.com> (raw)
In-Reply-To: <20040327181638.GA8360@swordfish>
>>>>> "Matt" == Matt Gushee <mgushee@havenrock.com> writes:
Matt> * Is current_polyline defined within the same scope where the error
Matt> occurs, or is it received as an argument? If it is the latter, and
Matt> somewhere before the error location there is an expression that *uses*
Matt> !current_polyline as a point, that would explain your error. If your
Matt> function is too complex to easily identify the problem by sight, an
Matt> easy way to check for this would be to put a type constraint on the
Matt> parameter:
Matt> let myfun (current_polyline:point list ref) =
Matt> ....
That was it exactly (see my followup).
However that's a very nice trick for future debuggin effort.
Thanks
Brian
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prev parent reply other threads:[~2004-03-27 18:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-27 17:31 briand
2004-03-27 17:55 ` briand
2004-03-27 18:16 ` Matt Gushee
2004-03-27 18:34 ` briand [this message]
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