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gunn/inc.rb

Created December 12, 2018 12:17
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Implement "i++" style incremention in ruby.
Raw
inc.rb
class NumberProxy < BasicObject
def initialize number
@number = number
end
def method_missing *args
@number.send *args
end
def inc!
@number += 1
end
def coerce other
return self, other
end
def to_ary
[@number]
end
end
class Numeric
def proxy
NumberProxy.new self
end
end
n = 5.proxy
n.inc!
thirty_six = n * n
i = 0.proxy
while i.inc! <= 10
puts i
end
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