def iota_storage 0 =iota_storage
func iota { iota_storage dup ++ =iota_storage }
func riota { 0 1 =iota_storage }

def enum_storage 0 =enum_storage
def enum_type_storage 0 =enum_type_storage
def enum_holder_storage 0 =enum_holder_storage

func mkenum {
    mktype =enum_type_storage
    0 =enum_storage
    -1 enum_type_storage settype dup =enum_holder_storage
}

func enum {
    def name =name
    def r enum_storage enum_type_storage settype =r
    name enum_type_storage deffield
    r "=" name strconcat enum_holder_storage callmethod
    enum_storage inc
    r
}