我想了解的行为,从C++标准的角度(GCC 9.3,C++20):int main(){
type_tester<decltype(abs(0.1))>{}; // int abs(int) overload is selected for some reason!type_tester<decltype(std::abs(0.1))> {};
pow(double, int)’ conflicts with a previous declaration int pow(double a, int n) {我发现pow()函数应该类似于int ( int a,int n)或双pow(double a,double n),但是在TestRVec.cxx中减速是完全错误的。pow(double, int)’
int<