include?

include?(record)

Instance Public methods

Returns true if the given object is present in the collection.

class Person < ActiveRecord::Base
  has_many :pets
end
 
person.pets # => [#<Pet id: 20, name: "Snoop">]
 
person.pets.include?(Pet.find(20)) # => true
person.pets.include?(Pet.find(21)) # => false

Links:

https://github.com/rails/rails/blob/553e61af007553788813f81963a7621c82fff65d/activerecord/lib/active_record/associations/collection_proxy.rb#L863

doc_ruby_on_rails

2025-01-10 15:47:30

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