Function NextType

msgp/read_bytes.go:18–43

NextType returns the type of the next object in the slice. If the length of the input is zero, it returns [InvalidType].

(b []byte)

// of the input is zero, it returns
// [InvalidType].
func NextType(b []byte) Type {
	if len(b) == 0 {
		return InvalidType
	}
	spec := getBytespec(b[0])
	t := spec.typ
	if t == ExtensionType && len(b) > int(spec.size) {
		var tp int8
		if spec.extra == constsize {
			tp = int8(b[1])
		} else {
			tp = int8(b[spec.size-1])
		}
		switch tp {
		case TimeExtension, MsgTimeExtension:
			return TimeType
		case Complex128Extension:
			return Complex128Type
		case Complex64Extension:
			return Complex64Type
		default:
			return ExtensionType
		}
	}
	return t
}

// IsNil returns true if len(b)>0 and
// the leading byte is a 'nil' MessagePack