For checking if a fixnum is even or odd.

  • 1.even? # => false

  • 1.odd? # => true

  • 2.even? # => true

  • 2.odd? # => false

Methods
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M
O
Instance Public methods
even?()

Source: show 

# File rails/activesupport/lib/active_support/core_ext/integer/even_odd.rb, line 14
def even?
  multiple_of? 2
end
multiple_of?(number)

Source: show 

# File rails/activesupport/lib/active_support/core_ext/integer/even_odd.rb, line 10
def multiple_of?(number)
  self % number == 0
end
odd?()

Source: show 

# File rails/activesupport/lib/active_support/core_ext/integer/even_odd.rb, line 18
def odd?
  !even?
end