uint_least16_t uint_least32_t uint_least64_t分别是宽度至少有 8、16、32 和 64 位的最小的无符号整数类型 uintmax_t最大宽度的无符号整数类型 uintptr_t足以保有指针的无符号整数类型 实现可在N不是 8、 16、 32 或 64 时定义 typedef 名intN_t、int_fastN_t、int_leastN_t、uintN_t、uint...
无、p:如果定义了std::uintptr_t,那么如同通过调用std::to_chars(first, last,reinterpret_cast<std::uintptr_t>(value),16)产生输出,并添加前缀0x到输出;否则输出由实现定义。 P:与p相同,但 9 以上的数位会以大写字母表示,并且底前缀变为0X。
Fastest integer types with at least given width (int_fastN_tanduint_fastN_t) Smallest integer types with at least given width (int_leastN_tanduint_leastN_t) Integer types capable for cast between object pointers (intptr_tanduintptr_t) ...
uintptr_t (optional) unsigned integer type capable of holding a pointer tovoid (typedef) The implementation may define typedef namesintN_t,int_fastN_t,int_leastN_t,uintN_t,uint_fastN_t, anduint_leastN_twhenNis not 8, 16, 32 or 64. Typedef names of the formintN_tmay only be def...
uintptr_t (可选) 足以保有指向void的指针的无符号整数类型 (typedef) 实现可在N不是 8、 16、 32 或 64 时定义 typedef 名intN_t、int_fastN_t、int_leastN_t、uintN_t、uint_fastN_t及uint_leastN_t。形为intN_t的 typedef 名只有在实现支持有该宽度而无填充的整数类型才可以定义。从而std::...
atomic_intptr_t (C++11)(可选) std::atomic<std::intptr_t> (typedef) atomic_uintptr_t (C++11)(可选) std::atomic<std::uintptr_t> (typedef) atomic_size_t (C++11) std::atomic<std::size_t> (typedef) atomic_ptrdiff_t (C++11) std::atomic<std::ptrdiff_t> (typed...
uintptr_t (optional) unsigned integer type capable of holding a pointer tovoid (typedef) Macros Signed integers : minimum value INT8_MININT16_MININT32_MININT64_MIN (optional) minimum value ofstd::int8_t,std::int16_t,std::int32_tandstd::int64_trespectively ...
atomic_int_fast64_t(C11)_Atomicint_fast64_t atomic_uint_fast64_t(C11)_Atomicuint_fast64_t atomic_intptr_t(C11)_Atomicintptr_t atomic_uintptr_t(C11)_Atomicuintptr_t atomic_size_t(C11)_Atomicsize_t atomic_ptrdiff_t(C11)_Atomicptrdiff_t ...
atomic_int_fast64_t (C11) _Atomic int_fast64_t atomic_uint_fast64_t (C11) _Atomic uint_fast64_t atomic_intptr_t (C11) _Atomic intptr_t atomic_uintptr_t (C11) _Atomic uintptr_t atomic_size_t (C11) _Atomic size_t atomic_ptrdiff_t (C11) _Atomic ptrdiff_t atomic_int...
std::size_t 可以存放下理论上可能存在的对象的最大大小,该对象可以是任何类型(包括数组)。大小无法以 std::size_t 表示的类型是非良构的。在许多平台上(使用分段寻址的系统除外),std::size_t 可以存放任何非成员的指针的值,此时它与 std::uintptr_t 同义。