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    std::codecvt_byname

    From cppreference.com
     
    C++
     
    Text processing library
     
    Localization library
     
    Defined in header <locale> 
    template< class InternT, class ExternT, class State >
class codecvt_byname : public std::codecvt<InternT, ExternT, State>;

    std::codecvt_byname is a std::codecvt facet which encapsulates multibyte/wide character conversion rules of a locale specified at its construction.

    Specializations

    The standard library is guaranteed to provide the following specializations:

    Defined in header <locale>
    std::codecvt_byname<char, char, std::mbstate_t> identity conversion
    std::codecvt_byname<char16_t, char, std::mbstate_t>
    (since C++11)(deprecated in C++20)     		conversion between UTF-16 and UTF-8
    std::codecvt_byname<char16_t, char8_t, std::mbstate_t>
    (since C++20)     		conversion between UTF-16 and UTF-8
    std::codecvt_byname<char32_t, char, std::mbstate_t>
    (since C++11)(deprecated in C++20)     		conversion between UTF-32 and UTF-8
    std::codecvt_byname<char32_t, char8_t, std::mbstate_t>
    (since C++20)     		conversion between UTF-32 and UTF-8
    std::codecvt_byname<wchar_t, char, std::mbstate_t> locale-specific conversion between wide string and narrow character sets

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