class Fixnum

Fixnum extensions

Public Instance Methods

even?() click to toggle source

@return true if the number is even

@example

2.even? => true
3.even? => false

From blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/4516

# File lib/sixarm_ruby_ramp/fixnum.rb, line 17
def even?
  return self & 1 == 0
end
odd?() click to toggle source

@return true if the number is odd

@example

2.odd? => false
3.odd? => true

From blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/4516

# File lib/sixarm_ruby_ramp/fixnum.rb, line 30
def odd?
  return self & 1 != 0
end