# File lib/runt/temporalexpression.rb, line 251 def max_day_of_month(date) # Contributed by Justin Cunningham who took it verbatim from the Rails # ActiveSupport::CoreExtensions::Time::Calculations::ClassMethods module # days_in_month method. month = date.month year = date.year if month == 2 !year.nil? && (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)) ? 29 : 28 elsif month <= 7 month % 2 == 0 ? 30 : 31 else month % 2 == 0 ? 31 : 30 end end