Stefano had some good ideas about this one... josh Developer, Parc Technologies Limited josh.singer@parc-technologies.com http://www.parc-technologies.com This e-mail message is for the sole use of the intended recipient(s) -its contents are the property of Parc Technologies Limited (or its licensors) and are confidential. Please do not copy, review, use (except for the intended purposes), disclose or distribute the e-mail or its contents (or allow anyone else to do so) without our prior permission. Parc Technologies Limited does not guarantee that this e-mail has not been intercepted and amended nor that it is virus-free. You should carry out your own virus checks before opening any attachment. Any opinions expressed in this e-mail message are those of the author and not necessarily Parc Technologies Limited. -----Original Message----- From: Stefano Novello Sent: Monday, July 29, 2002 6:50 PM To: kish shen; warwick harvey Cc: josh singer Subject: setarg This seems to be a bug in the metacall implementation of do/2. The tricky thing is that do/2 is compiled away even when called on the command line, so it only shows if you do something like call( do ). It seems that param arguments are being term copied from iteration to iteration, so if you are modifying these, all you get is copies of the unmodified original. Now if the structure is ground term copy is optimised not to do a copy so the program is not affected in that case. 2nd Floor The Tower Building EMAIL: Stefano.Novello@parc-technologies.com 11 York Road TEL: +44 (0)20 72614068 SE1 7NX LONDON This e-mail message is for the sole use of the intended recipient(s) - its contents are the property of Parc Technologies Limited (or its licensors) and are confidential. Please do not copy, review, use (except for the intended purposes), disclose or distribute the e-mail or its contents or allow anyone else to do so without our prior permission. Parc Technologies Limited does not guarantee that this e-mail has not been intercepted and amended nor that it is virus-free. You should carry out your own virus checks before opening any attachment. Any opinions expressed in this e-mail message are those of the author and not necessarily Parc Technologies Limited.Received on Mon Jul 29 19:23:04 2002
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