instiki/vendor/rails/activesupport/lib/active_support/core_ext/integer/even_odd.rb
Jacques Distler 516d6dfac0 Rails 2.1
Update to Rails 2.1 final.
2008-06-02 01:35:38 -05:00

30 lines
658 B
Ruby

module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Integer #:nodoc:
# For checking if a fixnum is even or odd.
#
# 2.even? # => true
# 2.odd? # => false
# 1.even? # => false
# 1.odd? # => true
# 0.even? # => true
# 0.odd? # => false
# -1.even? # => false
# -1.odd? # => true
module EvenOdd
def multiple_of?(number)
self % number == 0
end
def even?
multiple_of? 2
end if RUBY_VERSION < '1.9'
def odd?
!even?
end if RUBY_VERSION < '1.9'
end
end
end
end