Flowdock
method

validators_on

Importance_1
Ruby on Rails latest stable (v4.1.8) - 0 notes - Class: ActiveModel::Validations::ClassMethods
validators_on(*attributes) public

List all validators that are being used to validate a specific attribute.

class Person
  include ActiveModel::Validations

  attr_accessor :name , :age

  validates_presence_of :name
  validates_inclusion_of :age, in: 0..99
end

Person.validators_on(:name)
# => [
#       #<ActiveModel::Validations::PresenceValidator:0x007fe604914e60 @attributes=[:name], @options={}>,
#    ]
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