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functx:exclusive-or

Whether one (and only one) of two boolean values is true

Description

The functx:exclusive-or function returns true if one (and only one) of two boolean values is true. If either value is the empty sequence, the empty sequence is returned.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:exclusive-or
  ( $arg1 as xs:boolean? ,
    $arg2 as xs:boolean? )  as xs:boolean? {

   $arg1 != $arg2
 } ;

Examples

functx:exclusive-or(true(),false())

true

functx:exclusive-or(true(),true())

false

functx:exclusive-or(4 > 3,1 > 2)

true

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