Class: MethodDecorators::Memoize

Inherits:
Decorator show all
Defined in:
lib/method_decorators/memoize.rb

Instance Method Summary collapse

Methods inherited from Decorator

#+@, +@, current_decorators

Constructor Details

#initialize ⇒ Memoize 



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# File 'lib/method_decorators/memoize.rb', line 5

def initialize
  @memo_ivar = "@_memoize_cache#{rand(10**10)}"
end

Instance Method Details

#call(orig, this, *args, &blk) ⇒ Object 



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# File 'lib/method_decorators/memoize.rb', line 9

def call(orig, this, *args, &blk)
  return cache(this)[args] if cache(this).has_key?(args)
  cache(this)[args] = orig.call(*args, &blk)
end