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[XQuery] What dynamic error does treat expression raise? from Priscilla Walmsley on 2003-11-21 (public-qt-comments@w3.org from November 2003)
[XQuery] What dynamic error does treat expression raise?
- From: Priscilla Walmsley <priscilla@walmsley.com>
- Date: Fri, 21 Nov 2003 10:21:05 -0500
- To: <public-qt-comments@w3.org>
- Message-Id: <20031121152115.7C8A213B66@dr-nick.w3.org>
The description of the treat expression in the XQuery language draft says: "During expression evaluation: If expr1 matches type1, using the SequenceType Matching rules in 2.4 Types, the treat expression returns the value of expr1; otherwise, it raises a dynamic error.[err:XP0006] " Then later it says: "The static type of $myaddress may be element(*, Address), a less specific type than element(*, USAddress). However, at run-time, the value of $myaddress must match the type element(*, USAddress) using SequenceType Matching rules; otherwise a dynamic error is raised.[err:XP0050]" These seem like the same situation with 2 different error messages (XP0006 and XP0050). Does the draft contradict itself, or am I misreading? Thanks, Priscilla
Received on Friday, 21 November 2003 10:21:16 UTC