stl string return by const reference vs. const char*
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Published on 2010-05-20T03:33:33Z
Indexed on
2010/05/20
3:40 UTC
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c++
i have a STL string member variable in my class,
class A {
public:
const char* getData1() const { return data.c_str());
const string& getData2() const { return _data; }
private:
string _data;
};
getData1() vs. getData2(), which one is better?
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