Using Namespace Std. Namespace n1 { int x = 2; Web using namespace std;
Is it OK to use using namespace std? Mastery Wiki
Web the using directive using namespace std makes names within namespace std candidates for matching names used in the current scope. In front of all functions of that. } } namespace n2 { int x = 5; Web using namespace std imports the content of the std namespace in the current one. Web using namespace std; Void fun () { cout << this is. Namespace n1 { int x = 2; The std namespace (where features of the c++ standard library, such as string or vector, are declared). Void fun () { cout << this is fun () of n1 << endl; Thus, the advantage is that you won't have to type std::
Thus, the advantage is that you won't have to type std:: Web the std namespace show 5 more a namespace is a declarative region that provides a scope to the identifiers (the names of types, functions, variables, etc). Namespace n1 { int x = 2; The std namespace (where features of the c++ standard library, such as string or vector, are declared). Void fun () { cout << this is fun () of n1 << endl; Web using namespace std imports the content of the std namespace in the current one. Web using namespace std; Thus, the advantage is that you won't have to type std:: } } namespace n2 { int x = 5; Web the using directive using namespace std makes names within namespace std candidates for matching names used in the current scope. In front of all functions of that.
