halting_and_conditional

# File activesupport/lib/active_support/callbacks.rb, line 259
        def self.halting_and_conditional(callback_sequence, user_callback, user_conditions)
          callback_sequence.around do |env, &run|
            target = env.target
            value  = env.value
            halted = env.halted

            if !halted && user_conditions.all? { |c| c.call(target, value) }
              user_callback.call(target, value) {
                run.call.value
              }
              env
            else
              run.call
            end
          end
        end