CLANG / C++ Builder / GNU C / VC++ compilers, IDEs are using this standard for GUI forms to support all languages to provided applications in global. In modern C++ nowadays there are two types of strings used array of chars (char strings) and UnicodeStrings (WideStrings and AnsiStrings are older, not compatible with all features now). UnicodeStrings are being used widely because of support to languages world wide and emojis. Unicode standard for UnicodeString provides a unique number for every character (8, 16 or 32 bits) more than ASCII (8 bits) characters. In Modern C++, strings and wide strings can be used, we highly recommend you to use unicode strings. What else should I know about wide strings in C++? Wide strings are the instantiation of the basic_string class template that uses wchar_t as the character type. In another terms wstring stores for the alphanumeric text with 2 or 4 byte chars. Wide strings are the string class for wide characters represented with wstring and alphanumeric characters are stored and displayed in string forms. What you need to know about wide strings in C++ Here are the string types defined in std::pmr namespace with their char type and C++ standard String Type
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