Mega Code Archive
Create HexNumber
require 'delegate'
class HexNumber < DelegateClass(Fixnum)
# The string representations of this class are hexadecimal numbers.
def to_s
sign = self < 0 ? "-" : ""
hex = abs.to_s(16)
"#{sign}0x#{hex}"
end
def inspect
to_s
end
end
puts HexNumber.new(10) * 2 # => 20
puts HexNumber.new(10) + HexNumber.new(200) # => 210