Method: Object#presence_in

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

#presence_in(another_object) ⇒ Object

Returns the receiver if it’s included in the argument otherwise returns nil. Argument must be any object which responds to #include?. Usage:

params[:bucket_type].presence_in %w( project calendar )

This will throw an ArgumentError if the argument doesn’t respond to #include?.

Returns:

[View source]

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# File 'lib/active_support/core_ext/object/inclusion.rb', line 34

def presence_in(another_object)
  in?(another_object) ? self : nil
end