#include <iostream>/****我在这里搞混了*/
template <typename T>
struct hasTypeFoo {
//..
static constexpr bool value = true;
};/////////////////////////////////////////////////
struct A {
using Foo = int;
};
struct B {
};
int main()
{
constexpr bool b1 = hasTypeFoo<A>::value;
constexpr bool b2 = hasTypeFoo<B>::value;
std::cout << b1 << b2;
}转载请注明出处:http://www.mlhpz.com/article/20230523/2280920.html