189 inline V as_float(const string& func, const S& s, size_t* idx = nullptr);
192 inline float as_float(const string& func, const string& s, size_t* idx) {  in as_float()  function
197 inline double as_float(const string& func, const string& s, size_t* idx) {  in as_float()  function
202 inline long double as_float(const string& func, const string& s, size_t* idx) {  in as_float()  function
208 inline float as_float(const string& func, const wstring& s, size_t* idx) {  in as_float()  function
213 inline double as_float(const string& func, const wstring& s, size_t* idx) {  in as_float()  function
218 inline long double as_float(const string& func, const wstring& s, size_t* idx) {  in as_float()  function
246     return as_float<float>("stof", str, idx);  in stof()
250     return as_float<double>("stod", str, idx);  in stod()
254     return as_float<long double>("stold", str, idx);  in stold()
279     return as_float<float>("stof", str, idx);  in stof()
283     return as_float<double>("stod", str, idx);  in stod()
287     return as_float<long double>("stold", str, idx);  in stold()