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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
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