==

==(other)

Instance Public methods

Equivalent to Array#==. Returns true if the two arrays contain the same number of elements and if each element is equal to the corresponding element in the other array, otherwise returns false.

class Person < ActiveRecord::Base
  has_many :pets
end
 
person.pets
# => [
#      #<Pet id: 1, name: "Fancy-Fancy", person_id: 1>,
#      #<Pet id: 2, name: "Spook", person_id: 1>
#    ]
 
other = person.pets.to_ary
 
person.pets == other
# => true
 
other = [Pet.new(id: 1), Pet.new(id: 2)]
 
person.pets == other
# => false

Links:

https://github.com/rails/rails/blob/553e61af007553788813f81963a7621c82fff65d/activerecord/lib/active_record/associations/collection_proxy.rb#L913

doc_ruby_on_rails

2025-01-10 15:47:30

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