c++ namespace
#include <iostream>
using namespace std;
int main() {
cout<< "Hello World" ;
}
//If you are a web developer, please give https://code.ionicbyte.com/ a tryc++ namespace
#include <iostream>
using namespace std;
int main() {
cout<< "Hello World" ;
}
//If you are a web developer, please give https://code.ionicbyte.com/ a tryaccess the namespace members using namespace member function
//Header.h
#include <string>
namespace Test
{
namespace old_ns
{
std::string Func() { return std::string("Hello from old"); }
}
inline namespace new_ns
{
std::string Func() { return std::string("Hello from new"); }
}
}
#include "header.h"
#include <string>
#include <iostream>
int main()
{
using namespace Test;
using namespace std;
string s = Func();
std::cout << s << std::endl; // "Hello from new"
return 0;
}access the namespace members using namespace member function
namespace Parent
{
inline namespace new_ns
{
template <typename T>
struct C
{
T member;
};
}
template<>
class C<int> {};
}Copyright © 2021 Codeinu
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