#include#include int main() { std::string str = "Hello world!"; std::string utf8_str = characters8(str); std::cout << utf8_str << std::endl; return 0; }
#includeOutput: "こんにちは" In this example, we have defined a wide string 'wstr' with the value "こんにちは" (which means 'hello' in Japanese). Next, we have passed this string to the characters8 function which returns the UTF-8 encoded string. Finally, we have printed the result to the console. As characters8 is a part of the 'string' package library, it should be defined by including the 'string' header file at the top of your code.#include int main() { std::wstring wstr = L"こんにちは"; std::string utf8_str = characters8(wstr); std::cout << utf8_str << std::endl; return 0; }