package bit_storage

import "encoding/json"

type bitU32 struct {
	V uint32
}

var _ BitStorage[uint32] = &bitU32{}

func EmptyU32() *bitU32 { return &bitU32{} }

func (b *bitU32) Set(v uint32)      { b.V |= v }
func (b *bitU32) Clear(v uint32)    { b.V &^= v }
func (b *bitU32) Get(v uint32) bool { return b.V&v > 0 }
func (b *bitU32) Unique() []uint32 {
	z := make([]uint32, 0)
	m := 0
	n := b.V
	for n > 0 {
		z = append(z, (n&2)<<m)
		n >>= 1
		m++
	}
	return z
}
func (b *bitU32) Dump() []uint32 { return []uint32{b.V} }

func (b *bitU32) MarshalJSON() ([]byte, error)     { return json.Marshal(b.V) }
func (b *bitU32) UnmarshalJSON(bytes []byte) error { return json.Unmarshal(bytes, &b.V) }