Module: ObjectShadow::InstanceVariables

Included in:
ObjectShadow
Defined in:
lib/object_shadow/instance_variables.rb

Instance Method Summary collapse

Instance Method Details

#[](ivar_name) ⇒ Object

Returns the instance variable given Please note: Does not expect @ prefix



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# File 'lib/object_shadow/instance_variables.rb', line 7

def [](ivar_name)
  object.instance_variable_get(:"@#{ivar_name}")
end

#[]=(ivar_name, value) ⇒ Object

Sets the instance variable given Please note: Does not expect @ prefix



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# File 'lib/object_shadow/instance_variables.rb', line 13

def []=(ivar_name, value)
  object.instance_variable_set(:"@#{ivar_name}", value)
end

#remove(ivar_name) ⇒ Object 



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# File 'lib/object_shadow/instance_variables.rb', line 17

def remove(ivar_name)
  object.remove_instance_variable(:"@#{ivar_name}")
end

#to_a ⇒ Object 



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# File 'lib/object_shadow/instance_variables.rb', line 33

def to_a
  variables.map{ |ivar| self[ivar] }
end

#to_h ⇒ Object 



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# File 'lib/object_shadow/instance_variables.rb', line 29

def to_h
  variables.map{ |ivar| [ivar, self[ivar]] }.to_h
end

#variable?(ivar_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/object_shadow/instance_variables.rb', line 21

def variable?(ivar_name)
  object.instance_variable_defined?(:"@#{ivar_name}")
end

#variables ⇒ Object 



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# File 'lib/object_shadow/instance_variables.rb', line 25

def variables
  object.instance_variables.map{ |ivar| ivar[1..-1].to_sym }
end