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fn:sum

fn:sum($srcval as xdt:anyAtomicType*) → xdt:anyAtomicType?

Function signature

$arg

xdt:anyAtomicType *

Result

xdt:anyAtomicType

Returns the total of a sequence of numbers or durations

XPath 2.0 Specification

fn:sum($srcval as xdt:anyAtomicType*, $zero as xdt:anyAtomicType?) → xdt:anyAtomicType?

Function signature

$arg

xdt:anyAtomicType *

$zero

xdt:anyAtomicType ?

Result

xdt:anyAtomicType ?

Returns the total of a sequence of numbers, specifying the value to be returned for an empty sequence

XPath 2.0 Specification

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