fn:true
The boolean value true
Description
The fn:true function, which takes no arguments, is useful for constructing the boolean value true. XQueryXPath 2.0 uses the false() and true() functions instead of keywords false and true.
This description is © Copyright 2007, Priscilla Walmsley. It is excerpted from the book XQuery by Priscilla Walmsley, O'Reilly, 2007. For a complete explanation of this function, please refer to Appendix A of the book.
Arguments and Return Type
| Name | Type |
|---|---|
| return value | xs:boolean |
Examples
| XPath Example | Results |
|---|---|
true() |
true |
See Also
| fn:false | The boolean value false |
| fn:boolean | The effective boolean value of a sequence |
History
| Published On | Last Updated | Contributor(s) |
|---|---|---|
| 2006-06-27 | 2007-02-26 | W3C, XQuery 1.0 and XPath 2.0 Functions and Operators, http://www.w3.org/TR/xpath-functions/ |
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