package mem

type CellKind int

const (
	CellKindEmpty CellKind = iota
	CellKindString
	CellKindArray
	CellKindObject
	CellKindType

	CellKindEnv
	CellKindOutlet

	CellKindForbidden
)

func (c CellKind) String() string {
	switch c {
	case CellKindEmpty:
		return "empty"
	case CellKindString:
		return "string"
	case CellKindArray:
		return "array"
	case CellKindObject:
		return "object"
	case CellKindType:
		return "type"
	case CellKindEnv:
		return "env"
	case CellKindOutlet:
		return "outlet"
	case CellKindForbidden:
		return "forbidden"
	default:
		return "unknown"
	}
}

type cell struct {
	kind CellKind
	refs int
	data CellData
}

type CellData interface {
	DropCell(Mem)
	MatchingCellKind() CellKind
}