报错内容(80年不写C++,连虚函数是啥都忘了hhhh)
Undefined symbols for architecture arm64:
"WTFWTF::run()", referenced from:
_main in main.o
"WTFWTF::~WTFWTF()", referenced from:
_main in main.o
_main in main.o
ld: symbol(s) not found for architecture arm64
clang