Flowdock
method

include?

Importance_1
v4.0.2 - Show latest stable - 0 notes - Class: CollectionProxy
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include?(record) public

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
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