instance method `include?`

Ruby on Rails 4.2.9

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

include?(record)

Returns true if the given record 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

Parameters

record req

Source

# File activerecord/lib/active_record/associations/collection_proxy.rb, line 857
      def include?(record)
        !!@association.include?(record)
      end

Defined in activerecord/lib/active_record/associations/collection_proxy.rb line 857 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Associations::CollectionProxy

Signature

Parameters