Class: NullObject

Inherits:
Object
  • Object
show all
Defined in:
lib/null_object.rb,
lib/null_object/version.rb

Constant Summary collapse

VERSION = 
"0.0.3"

Instance Method Summary collapse

Constructor Details

#initialize(*methods, &return_block) ⇒ NullObject

Returns a new instance of NullObject.



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# File 'lib/null_object.rb', line 4

def initialize(*methods, &return_block)
  if methods.first.is_a?(Hash)
    @methods = methods.first
  else
    @methods = methods
  end

  @return_block = return_block
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/null_object.rb', line 14

def method_missing(method, *args, &block)
  if @methods.empty?
    __global_return_value__(*args, &block)
  elsif @methods.is_a?(Hash) && @methods.key?(method.to_sym)
    @methods[method.to_sym]
  elsif @methods.is_a?(Enumerable) && @methods.include?(method.to_sym)
    __global_return_value__(*args, &block)
  else
    super
  end
end