On 02/09/20 15:51 +0100, Jonathan Wakely wrote:
The spaceship operator for std::array uses memcmp when the
__is_byte trait is true, but memcmp isn't usable in
constexpr contexts. Also, memcmp should only be used for unsigned byte
types, because it gives the wrong answer for signed chars with nega
The spaceship operator for std::array uses memcmp when the
__is_byte trait is true, but memcmp isn't usable in
constexpr contexts. Also, memcmp should only be used for unsigned byte
types, because it gives the wrong answer for signed chars with negative
values.
We can simply check std::is_constant
