获取在Rails 5中调用验证器的方法名

class MyModel < ApplicationRecord
  validates :name, presence: true
  validates :email, format: { with: /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i }

  def self.validator_methods
    _validators.each do |attribute, validators|
      validators.each do |validator|
        puts "Validator method for #{attribute}: #{validator.class}"
      end
    end
  end
end

MyModel.validator_methods

class MyModel < ApplicationRecord
  validates :name, presence: true
  validates :email, format: { with: /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i }

  def self.validator_methods
    _validators.each do |attribute, validators|
      validators.each do |validator|
        puts "Validator method for #{attribute}: #{validator.class}"
      end
    end
  end
end

MyModel.validator_methods