Documentation for method days-in-month assembled from the following types:

role Dateish

From Dateish

(Dateish) method days-in-month

Defined as:

method days-in-month(Dateish:D: --> Int:D)

Returns the number of days in the month represented by the Dateish object:

say Date.new("2016-01-02").days-in-month;                # OUTPUT: «31␤» 
say DateTime.new(:year<10000>, :month<2>).days-in-month; # OUTPUT: «29␤»