lib/numbers_and_words/i18n/plurals/ru.rb
# frozen_string_literal: true
module NumbersAndWords
module I18n
module Plurals
module Ru
module_function
RULE = lambda do |number|
if one_conditions(number)
:one
elsif few_conditions(number)
:few
elsif many_conditions(number)
:many
else
:other
end
end
def one_conditions(number)
number % 10 == 1 && number % 100 != 11
end
def few_conditions(number)
[2, 3, 4].include?(number % 10) &&
![12, 13, 14].include?(number % 100)
end
def many_conditions(number)
(number % 10).zero? ||
[5, 6, 7, 8, 9].include?(number % 10) ||
[11, 12, 13, 14].include?(number % 100)
end
end
end
end
end