duration-months

Arguments: duration

This generic function is the reader for the months slot of the duration class. (The slot value cannot be changed with setf and this function.) The argument must be a duration instance.

If tye slot is set, the value is the number of months in duration, an integer. If the slot has not been set, the value is nil.

See date-time.htm for information on support in Allegro CL for parsing and generating time expressions using the ISO 8601 standard.

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Created 2019.8.20.