Method insert

core/base/UTF8.cpp:600–605

}

bool StringUTF8::insert(std::size_t pos, std::string_view insertStr)
{
    StringUTF8 utf8(insertStr);

    return insert(pos, utf8);
}

bool StringUTF8::insert(std::size_t pos, const StringUTF8& insertStr)
{