fn:sum

Returns the total of a sequence of numbers or durations.

sum($arg as xs:anyAtomicType*) ➔ xs:anyAtomicType

Arguments

 

$arg

xs:anyAtomicType*

The sequence of values to be totalled

Result

xs:anyAtomicType

sum($arg as xs:anyAtomicType*, $zero as xs:anyAtomicType?) ➔ xs:anyAtomicType?

Arguments

 

$arg

xs:anyAtomicType*

The sequence of values to be totalled

 

$zero

xs:anyAtomicType?

The value to return if the input sequence is empty (default integer zero)

Result

xs:anyAtomicType?

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.