fn:exists

Returns true if the given sequence is not empty.

exists($arg as item()*) ➔ xs:boolean

Arguments

 

$arg

item()*

The input sequence

Result

xs:boolean

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 3.1 Functions and Operators

Saxon availability

Available in XPath 2.0, XSLT 2.0, XQuery 1.0, and later versions. Available in all Saxon editions. Available for all platforms.