C++ 中有 128 位整数吗?

2021-12-25 00:00:00 performance uuid types cross-platform c++

我需要在一个变量中存储一个 128 位长的 UUID.C++ 中有 128 位数据类型吗?我不需要算术运算，我只想快速轻松地存储和读取值.

I need to store a 128 bits long UUID in a variable. Is there a 128-bit datatype in C++? I do not need arithmetic operations, I just want to easily store and read the value very fast.

来自 C++11 的新特性也不错.

A new feature from C++11 would be fine, too.

推荐答案

GCC 和 Clang 支持 __int128

GCC and Clang support __int128

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