On 20 October 2017 at 10:46, Jonathan Wakely <c...@kayari.org> wrote:
> Would something like this be suitable? > > #if __cpp_lib_byte >= 201603 > using byte_type = std::byte; > #else > using byte_type = unsigned char; > #endif > alignas(T) byte_type rawbytes[sizeof(T)]; > // ... > > Both forms will work, but the std::byte version might be preferred to > ensure that no arithmetic operations are accidentally performed on the > values. The desired type-safety would only be enforced on > implementations that support std::byte, but if the rest of the code is > the same you can be fairly confident there's no arithmetic even when > the type is unsigned char. Seems reasonable to me.
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