fn:sum

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

Function signature

$srcval

xdt:anyAtomicType *

Result

xdt:anyAtomicType ?

Returns the total of a sequence of numbers

XPath 2.0 Specification

Implemented. In 7.4, works on all numeric types and returns the same type as the arguments. Not implemented for other addable types, e.g. duration. The new optional second parameter is not implemented. Changed in 7.8 to return integer 0 for an empty sequence, rather than double 0.0.


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

Function signature

$srcval

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

** Not yet implemented **


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