c++ the type alias using 3 minutes, maybe 1 minutes.
c++ using has many wonderful and awesome features, only the type alias is talked here.
As the type alias denotes, it is used for an alias of a type.
using my_int = int; // my_int is an alias of int now, when using my_int, it is using int in future. my_int a = 5;
If a name of a type is too long, you can use using to short it.
using my_double = const long long doube &; my_double x = 2.44;
Written on Oct 31, 2024
c++ std::exception:
std::cout.write(err.data(), err.size());
std::cout << std::endl;
caught:
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