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Overloaded functions in XPath 1.0?
- To: <xml-dev@l...>
- Subject: Overloaded functions in XPath 1.0?
- From: "Jeremy Johnson" <jeremy.johnson@i...>
- Date: Thu, 13 May 2004 11:32:04 -0400
- Thread-index: AcQ4/3FzUzu2WGHsSYOnb2/wtp/sLg==
- Thread-topic: Overloaded functions in XPath 1.0?
An application I’m working on needs to be able to
evaluate XPath 1.0 expressions. In
addition to the standard XPath core functions, we need to introduce an
application-specific function that retrieves a value from a data structure
internal to the app. Lets call it ‘getvalue()’. This value could be a String, Boolean or
Number. Would it be a violation of
XPath practices for this ‘getvalue()’
function to be an overloaded function, returning String, Number and Boolean (e.g.
three functions: string getvalue(), boolean getvalue(), number getvalue())? My alternative would be to use unique
function names such as getstring(), getboolean() and getnumber()...
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