Module: Callback::InstanceMethods

Included in:
Callback, Object
Defined in:
lib/callback/callback.rb

Instance Method Summary collapse

Instance Method Details

#define_callback(key, callback_proc = nil, &callback_block) ⇒ Object Also known as: register_callback

Defines the callback for the key on the object. The callback can either be a block or a proc. When the callbacks are notified, the return value of the proc is passed to the caller.



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# File 'lib/callback/callback.rb', line 5

def define_callback(key, callback_proc=nil, &callback_block)
  callbacks.define(key, callback_proc, &callback_block)
end

#undefine_callback(key, callback_proc) ⇒ Object Also known as: unregister_callback

Undefine the callback. The callback proc must be the same object as what was passed to define_callback.



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# File 'lib/callback/callback.rb', line 11

def undefine_callback(key, callback_proc)
  callbacks.undefine(key, callback_proc)
end