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.