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std::basic_string - cppreference.com
All member functions of std::basic_string are constexpr: it is possible to create and use std::basic_string objects in the evaluation of a constant expression.However, std::basic_string objects generally cannot be constexpr, because any dynamically allocated storage must be released in the same evaluation of constant expression. ...
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Convert std::basic_string<wchar_t> and std::basic_string<uint16_t>
First of all you need to be sure, that the source std::basic_string<wchar_t> has the same encoding as the input std::basic_string<uint16_t>.If the encoding is different you should look for a specific character encoding conversion algorithm. Otherwise you can do
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无法从“TCHAR[260]”转换为“std::basic_string<wchar_t ...
TCHAR被定义为char或wchar_t,这取决于您是否定义了UNICODE宏。在您的示例中,它看起来是没有定义的,因此您正在尝试从一个std::wstring数组构造一个char[]。 我建议您始终在Windows上使用宽API,因为这是在Windows上获得适当Unicode支持的唯一方法: