Class: ActiveSupport::Callbacks::CallTemplate::InstanceExec2

Inherits:
Object
  • Object
show all
Defined in:
activesupport/lib/active_support/callbacks.rb

Instance Method Summary collapse

Constructor Details

#initialize(block) ⇒ InstanceExec2

Returns a new instance of InstanceExec2.



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# File 'activesupport/lib/active_support/callbacks.rb', line 480

def initialize(block)
  @override_block = block
end

Instance Method Details

#expand(target, value, block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'activesupport/lib/active_support/callbacks.rb', line 484

def expand(target, value, block)
  raise ArgumentError unless block
  [target, @override_block || block, :instance_exec, target, block]
end

#inverted_lambda ⇒ Object 



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# File 'activesupport/lib/active_support/callbacks.rb', line 496

def inverted_lambda
  lambda do |target, value, &block|
    raise ArgumentError unless block
    !target.instance_exec(target, block, &@override_block)
  end
end

#make_lambda ⇒ Object 



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# File 'activesupport/lib/active_support/callbacks.rb', line 489

def make_lambda
  lambda do |target, value, &block|
    raise ArgumentError unless block
    target.instance_exec(target, block, &@override_block)
  end
end