error: no matching function for call to 'std::basic_ifstream<char>::open(std::string&) 原因是C++的string类无法作为open的参数。 解决方案:使用C的字符串。 例: char filename[10]; strcpy(filename, "1.txt"); ifstream fin; fin.open(filename);...
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这个错误信息 "error: no matching function for call to 'std::exception::exception(const cha'" 表示在尝试调用 std::exception 的构造函数时,提供的参数类型与 std::exception 构造函数所期望的参数类型不匹配。下面我将分点解答你的问题: 分析错误信息: 错误信息明确指出,在尝试构造 std::exception 对象时...
看别人的:error: no matching function for call to 'std::basic_ifstream<char>::open(std::string&) 原因是C++的string类无法作为open的参数。 同样,可以发现是fileName的类型不对,没有匹配上。 QString fileName; ifstream i_f_stream(fileName,ifstream::binary); #include <fstream>usingstd::ifstream; ...
no matching function for call to 'std::function<const StringsBundle&()>::function(bookmarks_test::UnitClass_Runner_Bookmarks_ImportKML::Bookmarks_ImportKML()::<lambda()>)' 90 | : m_getStringsBundle(std::forward<StringsBundleProvider>(stringsBundleProvider)) | ^~~~ In file included from /us...
error: no matching function for call to `getline(char[51], std::string&)' Mar 1, 2010 at 1:15pm Xycose(1) I'm working on an assignment for my computer science class. I was able to use an input file to store data into three separate arrays, and then I realized when I reread ...
int main(){time1 t1; //并没有在类中添加基础的构造函数，这一行可以改成time1 t1(time_t对象)cout << t1.printfUniversal();cout << "\nHello world!" << endl;return 0;}// class time1 { public:time1(); //加一行 然后再Cpp中写实现time1( time_t);void setTime(int ,int...
我遇到过这种问题，应该是你&mDevice对应的类，没有继承QObject对象。Qt的信号-槽机制必须以QObject为基类才能使用。希望能够帮到你！
error: no matching function for call to 'std::priority_queue<data>::push(int, int, int)'Sep 10, 2019 at 3:32pm aceadams (59) What does this error mean? occurs in line 27.12345678910111213141516171819202122232425262728293031323334353637383940414243444546...
在执行:throw new exception("queue is empty.");时 遇到问题:error: no matching function for call to 'std::exception:exception(const char[16])' 解决办法:修改为 std::logic_error e("xxx."); throw std::exception(e); 记得: #include <iostream> using namespace std;...