Complete listing of Errors01.cpp, Listing 1
/*File: Errors01.cpp This c++ program illustrates a syntax error that produces the following compiler error. Note that line breaks were manually inserted into the error message to force it to fit into this narrow publication format. Compiling... Errors01.cpp C:\jnk\Errors01.cpp(29) : error C2228: left of '.doSomething' must have class/struct/union type ************************************************/ #include <iostream> using namespace std; class Errors01{ public: static void classMain(){ //Instantiate an object of the Errors01 class // and save its reference in a pointer // variable. Errors01* ptrToObject = new Errors01(); //Now invoke the instance function named // doSomething belonging to the object. // ptrToObject -> doSomething();//correct ptrToObject.doSomething();//incorrect }//End classMain function //-------------------------------------------// //An instance function of the Errors01 class void doSomething(){ cout << "Hello World\n"; }//end doSomething function };//End Errors01 class //---------------------------------------------// int main(){ Errors01::classMain(); return 0; }//end main Listing 1 |