set_options_for_callback

# File activemodel/lib/active_model/validations/callbacks.rb, line 99
          def set_options_for_callback(options)
            if options.key?(:on)
              options[:on] = Array(options[:on])
              options[:if] = [
                ->(o) {
                  options[:on].intersect?(Array(o.validation_context))
                },
                *options[:if]
              ]
            end

            if options.key?(:except_on)
              options[:except_on] = Array(options[:except_on])
              options[:unless] = [
                ->(o) {
                  options[:except_on].intersect?(Array(o.validation_context))
                },
                *options[:unless]
              ]
            end
          end