1, unresolved external symbol link error, reason: I did not find a symbol (variable or function) of the definition of the body, usually the corresponding function is not achieved, or third-party libraries is not added to the project settings
2, repeated links link error, a definition body (implemented thereof) are a plurality of files comprising CPPP, resulting in multiple definitions given link
3, can not find the appropriate constructor, the compiler default copy constructor used to adapt, the results being given as:
Where T is XGameObject type passed in, but not defined in XGameObject XGameObject (XGameObject * obj) this configuration, the compiler find unsuitable corresponds with the system tried to replace the default copy function constituting XGameObject (const XGameObject &), It was found that is not right, then an error
4, clearly defined, but there are tips undefined error reasons: two files contain each other leading to the failed one, where all the symbols are in an undefined state. As shown below:
5, other pending summary