Module: Singleton

Included in:: ActiveSupport::Deprecation

Defined in:: lib/active_support/core_ext/object/duplicable.rb

Instance Method Summary collapse

#duplicable? ⇒ Boolean

Singleton instances are not duplicable:.

Instance Method Details

#duplicable? ⇒ `Boolean`

Singleton instances are not duplicable:

Class.new.include(Singleton).instance.dup # TypeError (can’t dup instance of singleton

Returns:

(Boolean)



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# File 'lib/active_support/core_ext/object/duplicable.rb', line 57

def duplicable?
  false
end