Messing with unicode "constants"

gistfile1.txt

# ruby 2.0.0p353

module Kernel
  def const_set(sym, value)
    if sym.to_s.match /^[^A-Z]/
      @@__cool_constants ||= {}
      @@__cool_constants[sym] = value
    else
      super(sym, value)
    end
  end

  def const_get(sym)
    if sym.to_s.match /^[^A-Z]/
      @@__cool_constants ||= {}
      if @@__cool_constants.has_key? sym
        return @@__cool_constants[sym]
      end
    end
    super(sym)
  end

  def const_missing(sym, *args)
    @@__cool_constants ||= {}
    if @@__cool_constants.has_key? sym
      @@__cool_constants[sym]
    else
      super(sym, *args)
    end
  end

  def method_missing(sym, *args)
    # "Real" Methods have precedence over unicode-constants which have
    # precedence over dynamic methods.
    @@__cool_constants ||= {}
    if @@__cool_constants.has_key? sym
      @@__cool_constants[sym]
    else
      super(sym, *args)
    end
  end
end

const_set(:"心", Class.new do
  def foo
    puts "HI"
  end
end) 

const_get(:"心").new.foo

心.new.foo

# output:
# HI
# HI