std::to_wstring

`<string>`
`std::wstring to_wstring( int value );`	(1)	(C++11)
`std::wstring to_wstring( long value );`	(2)	(C++11)
`std::wstring to_wstring( long long value );`	(3)	(C++11)
`std::wstring to_wstring( unsigned value );`	(4)	(C++11)
`std::wstring to_wstring( unsigned long value );`	(5)	(C++11)
`std::wstring to_wstring( unsigned long long value );`	(6)	(C++11)
`std::wstring to_wstring( float value );`	(7)	(C++11)
`std::wstring to_wstring( double value );`	(8)	(C++11)
`std::wstring to_wstring( long double value );`	(9)	(C++11)

1) 10 buf std::swprintf(buf, sz, L"%d", value)

2) 10 buf std::swprintf(buf, sz, L"%ld", value)

3) 10 buf std::swprintf(buf, sz, L"%lld", value)

4) 10 buf std::swprintf(buf, sz, L"%u", value)

5) 10 buf std::swprintf(buf, sz, L"%lu", value)

6) 10 buf std::swprintf(buf, sz, L"%llu", value)

7,8) buf std::swprintf(buf, sz, L"%f", value)

9) buf std::swprintf(buf, sz, L"%Lf", value)

value

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Run this code

#include <string>
#include <iostream>

int main() {
    double f = 23.43;	
    std::wstring f_str = std::to_wstring(f);
    std::wcout << f_str;
}

:

23.430000

(C++11)

string
() [edit]