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XQuery fn:years-from-duration

fn.yearsFromDuration

fn.yearsFromDuration(
   $arg as xs.duration?
) as Number?

Summary

Returns an xs:integer representing the years component in the canonical lexical representation of the value of $arg. The result may be negative.

If $arg is the empty sequence, returns the empty sequence.

Parameters
$arg	The duration whose year component will be returned.

Example

fn.yearsFromDuration(xs.duration("P20Y15M"));
=> 21

Example

fn.yearsFromDuration(xs.duration("-P15M"));
=> -1

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