fn:sum
Returns the total of a sequence of numbers or durations.
sum($values as xs:anyAtomicType*, $zero as xs:anyAtomicType?:=0) ➔ xs:anyAtomicType?
Arguments | ||||
| $values | xs:anyAtomicType* | The sequence of values to be totalled | |
| $zero | xs:anyAtomicType? | := 0 | 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
XPath 4.0 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.