Question about "using" keyword

Question

I'm well aware of using namespaces however, every now and then I'm stumbling upon a using, which uses a specific class. For instance :

#include <string>
using namespace std;
(...)

However - every now and then, I'm seeing :

using std::string;

How should I interpret the "using" in this case ?

Cheers

Answer 1

using std::string simply imports std::string into the current scope (aka, you can just use 'string' rather than 'std::string') without importing everything from ::std into the current scope.

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edit: clarification after comment.