class Fixnum
Fixnum
extensions
Public Instance Methods
even?()
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@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?()
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@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