method
validators_on
v5.0.0.1 -
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Class: ActiveModel::Validations::ClassMethods
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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={}>, # ]