years-from-yearMonthDuration

years -from-yearMonthDuration

This function extracts the years component of a yearMonthDuration , as an integer. For example, if the supplied argument is «-P36M » , the result is -3 .

Argument	Data Type	Meaning
input	xdt:yearMonthDuration	The value from which the years component is to be extracted
Result	xs:integer	The number of years in the duration, after normalizing it so the number of months is less than 12. May be negative