Class: Object

Inherits:

BasicObject

Defined in:

lib/core_ext/deep_dup.rb,
lib/core_ext/duplicable.rb

Overview

github.com/rails/rails/blob/main/activesupport/lib/active_support/core_ext/object/duplicable.rb

Instance Method Summary

• #deep_dup ⇒ Object

  Returns a deep copy of object if it’s duplicable.

• #duplicable? ⇒ Boolean

  Can you safely dup this object?.

Instance Method Details

#deep_dup ⇒ Object

Returns a deep copy of object if it’s duplicable. If it’s not duplicable, returns self.

object = Object.new
dup    = object.deep_dup
dup.instance_variable_set(:@a, 1)

object.instance_variable_defined?(:@a) # => false
dup.instance_variable_defined?(:@a)    # => true

# File 'lib/core_ext/deep_dup.rb', line 13

def deep_dup
  duplicable? ? dup : self
end

#duplicable? ⇒ Boolean

Can you safely dup this object?

False for method objects; true otherwise.

Returns:

• (Boolean)

# File 'lib/core_ext/duplicable.rb', line 8

def duplicable?
  true
end