Flowdock
v2.2.1 - Show latest stable - 0 notes

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
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