func()

in internal/encoding/types.go [995:1031]

• 32 lines of code
• 7 McCabe index (conditional complexity)

func (a *arrayDouble) Unmarshal(r *buffer.Buffer) error {
	length, err := readArrayHeader(r)
	if err != nil {
		return err
	}

	type_, err := readType(r)
	if err != nil {
		return err
	}
	if type_ != TypeCodeDouble {
		return fmt.Errorf("invalid type for []float64 %02x", type_)
	}

	const typeSize = 8
	buf, ok := r.Next(length * typeSize)
	if !ok {
		return fmt.Errorf("invalid length %d", length)
	}

	aa := (*a)[:0]
	if int64(cap(aa)) < length {
		aa = make([]float64, length)
	} else {
		aa = aa[:length]
	}

	var bufIdx int
	for i := range aa {
		bits := binary.BigEndian.Uint64(buf[bufIdx:])
		aa[i] = math.Float64frombits(bits)
		bufIdx += typeSize
	}

	*a = aa
	return nil
}