1.常用變量
atomic //原子類模板及其布爾型，整型和指針類型的特化
atomic_ref //提供對非原子對象的原子操作
atomic_flag //鎖的布爾原子類型
std::atomic_bool //std::atomic<bool>
std::atomic_char //std::atomic<char>
std::atomic_schar //std::atomic<signed char>
std::atomic_uchar //std::atomic<unsigned char>
std::atomic_short //std::atomic<short>
std::atomic_ushort //std::atomic<unsigned short>
std::atomic_int //std::atomic<int>
std::atomic_uint //std::atomic<unsigned int>
std::atomic_long //std::atomic<long>
std::atomic_ulong //std::atomic<unsigned long>
std::atomic_llong //std::atomic<long long>
std::atomic_ullong //std::atomic<unsigned long long>
std::atomic_char8_t //std::atomic<char8_t>
std::atomic_char16_t //std::atomic<char16_t>
std::atomic_char32_t //std::atomic<char32_t>
std::atomic_wchar_t //std::atomic<wchar_t>
std::atomic_int8_t //std::atomic<std::int8_t>
std::atomic_uint8_t //std::atomic<std::uint8_t>
std::atomic_int16_t //std::atomic<std::int16_t>
std::atomic_uint16_t //std::atomic<std::uint16_t>
std::atomic_int32_t //std::atomic<std::int32_t>
std::atomic_uint32_t //std::atomic<std::uint32_t>
std::atomic_int64_t //std::atomic<std::int64_t>
std::atomic_uint64_t //std::atomic<std::uint64_t>
std::atomic_int_least8_t //std::atomic<int_least8_t>
std::atomic_uint_least8_t //std::atomic<uint_least8_t>
std::atomic_int_least16_t //std::atomic<int_least16_t>
std::atomic_uint_least16_t //std::atomic<uint_least16_t>
std::atomic_int_least32_t //std::atomic<int_least32_t>
std::atomic_uint_least32_t //std::atomic<uint_least32_t>
std::atomic_int_least64_t //std::atomic<int_least64_t>
std::atomic_uint_least64_t //std::atomic<uint_least64_t>
std::atomic_int_fast8_t //std::atomic<int_fast8_t>
std::atomic_uint_fast8_t //std::atomic<uint_fast8_t>
std::atomic_int_fast16_t //std::atomic<int_fast16_t>
std::atomic_uint_fast16_t //std::atomic<uint_fast16_t>
std::atomic_int_fast32_t //std::atomic<int_fast32_t>
std::atomic_uint_fast32_t //std::atomic<uint_fast32_t>
std::atomic_int_fast64_t //std::atomic<int_fast64_t>
std::atomic_uint_fast64_t //std::atomic<uint_fast64_t>
std::atomic_intptr_t //std::atomic<intptr_t>
std::atomic_uintptr_t //std::atomic<uintptr_t>
std::atomic_size_t //std::atomic<size_t>
std::atomic_ptrdiff_t //std::atomic<ptrdiff_t>
std::atomic_intmax_t //std::atomic<intmax_t>
std::atomic_uintmax_t //std::atomic<uintmax_t>
