Re: Issue 4550: Avoid "using namespace std; " in included files (Take 2) (issue 579240043 by nine.fierce.ballads@gmail.com)

[lemzwerg--- via Discussions on LilyPond development]

> Why is this ugly? std::string is really the name of the class.

No question, but I would prefer

  struct xxx {
    using std:string;

    string foo;
    string bar;
    string baz;
  }
}

to

  struct xxx {
    std::string foo;
    std::string bar;
    std::string baz;
  }

for example, to increase legibility if there are many strings.

https://codereview.appspot.com/579240043/