Method WriteVarUint64

go/fory/buffer.go:932–948

WriteVarUint64 writes to unsigned varint (up to 9 bytes)

(value uint64)

// WriteVarUint64 writes to unsigned varint (up to 9 bytes)
func (b *ByteBuffer) WriteVarUint64(value uint64) {
	b.grow(9)
	offset := b.writerIndex
	data := b.data[offset : offset+9]

	for i := 0; i < 8; i++ {
		if value < 0x80 {
			data[i] = byte(value)
			b.writerIndex += i + 1
			return
		}
		data[i] = byte(value&0x7F) | 0x80
		value >>= 7
	}
	data[8] = byte(value)
	b.writerIndex += 9
}

// WriteVaruint36Small writes a varint optimized for small values (up to 36 bits)
// Used for string headers: (length << 2) | encoding