char_traits<wchar_t> 구조체
A class that is a specialization of the template struct char_traits<CharType> to an element of type wchar_t.
template<> struct char_traits<wchar_t>;
설명
Specialization allows the struct to take advantage of library functions that manipulate objects of this type wchar_t.
요구 사항
헤더: <string>
네임스페이스: std