Module: Memoize

Defined in:
lib/numb.rb

Instance Method Summary collapse

Instance Method Details

#memoize(sym) ⇒ Object 



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# File 'lib/numb.rb', line 3

def memoize(sym)
  aka = "_#{sym}".to_sym
  alias_method aka, sym
  @@NUMB ||= {}
  Integer.send(:define_method, sym) do |*args|
    @@NUMB[[self, sym, args]] ||= send(aka, *args)
  end
end