错误信息 "error: variable ‘std::ifstream file’ has initializer but incomplete type" 指出了一个在C++编程中常见的问题。下面我将根据提示逐步解答你的问题: 1. 解释错误信息的含义 这个错误表明你尝试声明并初始化一个 std::ifstream 类型的变量 file,但是编译器无法识别 std::ifstream 的完整类型。这通常意...
"Data" is apparently a const int, and you're trying to return a non-const reference to it. That's not allowed (as the compiler so kindly tells you). Make "Data" non-const, stick with a const T& return type, or don't return a reference. Those are basically your choices. Sun...
CMAKE_MAKE_PROGRAM is not set. You " << "probably need to select a different build tool."; cmSystemTools::Error(err.str()); cmSystemTools::SetFatalErrorOccurred(); return false; } std::string makeProgram = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM"); // if there are sp...
Here is the same example with files: // read a JSON file std::ifstream i("file.json"); json j; i >> j; // write prettified JSON to another file std::ofstream o("pretty.json"); o << std::setw(4) << j << std::endl; Please note that setting the exception bit for ...
"Data" is apparently a const int, and you're trying to return a non-const reference to it. That's not allowed (as the compiler so kindly tells you).Make "Data" non-const, stick with a const T& return type, or don't return a reference. Those are basically your choices....
"Data" is apparently a const int, and you're trying to return a non-const reference to it. That's not allowed (as the compiler so kindly tells you). Make "Data" non-const, stick with a const T& return type, or don't return a reference. Those are basically your choices. ...
"Data" is apparently a const int, and you're trying to return a non-const reference to it. That's not allowed (as the compiler so kindly tells you). Make "Data" non-const, stick with a const T& return type, or don't return a reference. Those are basically your choices. ...