class Date
Please see README
Public Instance Methods
age_in_days(compare_date = Date.today)
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@return [Integer] the age in days for a given date.
@example
date=Date.new(1980,10,31) date.age_in_days => 11124
@example of custom dates
date=Date.new(1980,10,31) valentines = Date.new(2011,02,14) date.age_in_days(valentines) => 11063 halloween = Date.new(2011,10,31) date.age_in_days(halloween) => 11322 new_years_eve = Date.new(2011,12,31) date.age_in_days(new_years_eve) => 11383
# File lib/sixarm_ruby_date_age.rb, line 29 def age_in_days(compare_date = Date.today) (compare_date.is_a? Date) or raise ArgumentError, "compare_date must be a date" (compare_date - self).to_i end
Also aliased as: age_in_days_on
age_in_years(compare_date = Date.today)
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@return [Integer] the age in years for a given date.
@example
y = Date.today.year m = Date.today.month d = Date.today.mday date = Date.new(y - 30, m, day) date.age_in_years => 30
@example of custom dates
date=Date.new(1980,10,31) valentines = Date.new(2011,02,14) date.age_in_years_on(valentines) => 30 # before the birthday halloween = Date.new(2011,10,31) date.age_in_years_on(halloween) => 31 # on the birthday is one year older new_years_eve = Date.new(2011,12,31) date.age_years(new_years_eve) => 31 # after the birthday is one year older
# File lib/sixarm_ruby_date_age.rb, line 60 def age_in_years(compare_date = Date.today) (compare_date.is_a? Date) or raise ArgumentError, "compare_date must be a date" return 0 if self == compare_date age = compare_date.year - self.year min, max = [self, compare_date].sort age -= 1 if max.month < min.month or (max.month == min.month and max.day < min.day) age end
Also aliased as: age_in_years_on