forward declaration of class error Pretty Prairie Kansas

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forward declaration of class error Pretty Prairie, Kansas

In "Object.hh", "MapLink.hh" and "Player.hh" you include "Core.hh". wtf ReverseIter isn't a member { m_player.draw(); ReverseCorridorItter rit; for (rit = m_map.rbegin(); rit != m_map.rend(); rit++) (*rit)->draw(); } Camera& getLevelCamera() { return m_camera; } }; } #endif The pointer is I have edited the post –Milad Khajavi Apr 1 '13 at 16:45 add a comment| 3 Answers 3 active oldest votes up vote 5 down vote accepted Like this: class A asked 3 years ago viewed 324 times active 3 years ago Related 404When can I use a forward declaration?130Forward declaration of nested types/classes in C++82How do I forward declare an inner

May 2, 2009 at 5:58pm UTC Disch (13766) This sounds like it might be a template implementation issue. Join them; it only takes a minute: Sign up C++ forward declaration error up vote 3 down vote favorite 3 I have an error that goes like this In file included EDIT2: Based on your clarifying edit to your OP, you must #include the complete declaration of Level, and not try to use a forward declaration. Since the member function accessor cannot be compiled until the compiler knows the type of the member variable myValue, it is the compiler's responsibility to remember the definition of accessor until

Did any Jedi question the ethics of having a clone army? No new replies allowed. class MyClass { public: // classes use private visibility by default int i; MyClass() : i(13) { } }; struct MyStruct { int i; MyStruct() : i(13) { } }; share|improve current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Truth in numbers Is intelligence the "natural" product of evolution? Thank you for you time and have a nice day Reply Quote 0 SGaist Lifetime Qt Champion last edited by You're welcome ! I'm writing it here more as a note than a solution since you already had one. –kakyo Dec 20 '12 at 15:13 add a comment| 3 Answers 3 active oldest votes When i try using the variable in the cpp file after including Quaternion.h which is the parent file of Quat I get this error.

Tango Icons ę Tango Desktop Project. Wikipedia┬« is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. I don't understand why I am getting the compilation error C2079: 'b' uses undefined class 'B' for the following code. Your compiler might consider the equivalent, but I don't think it's standard C++.

Open hemisphere is connected Why are Spanish adverbs formed using the feminine? class XDBColumnImpl; is not sufficient hence probably the incomplete type error. I don't understand how something that simple is giving me that much trouble! –Azuli42 Jun 27 '12 at 15:00 add a comment| Your Answer draft saved draft discarded Sign up Thanks grumpy.

The really underlying problem is that you're using #include when you haven't separated your code into source files and header files. Forum Today's Posts C and C++ FAQ Forum Actions Mark Forums Read Quick Links View Forum Leaders What's New? You should at least use preprocessor macros: #ifndef __A_H__ #define __A_H__ // A.h contents #endif so that file won't be included more than once. May 2, 2009 at 5:38pm UTC Sundar0206 (14) how do i really get to solve this issue??

Sum of neighbours How to reliably reload package after change? Player.hh - Same as step 3. I've added it to the post. –user245019 Nov 16 '10 at 17:48 @PhilCK: Get rid of the forward declare –John Dibling Nov 16 '10 at 17:54 getting share|improve this answer edited Apr 1 '13 at 16:58 answered Apr 1 '13 at 16:53 where_is_tftp 20.5k33267 add a comment| Your Answer draft saved draft discarded Sign up or log

if a class contains a member that is a pointer (or a reference) to another class. A forward declaration does not do this. well I thought it did fix it but then it throws up errors again.. Thank u very much mister Eitan :D –Azuli42 Jun 27 '12 at 15:29 add a comment| up vote 1 down vote Compiler must know full interface of a class for inheritance.

To solve this, either A or B must use a reference/pointer to the other class. Browse other questions tagged c++ inheritance compiler-errors g++ or ask your own question. Only pointers and references are allowed. Here's how to split it up. (I'm assuming you're familiar with compiling source files into object files, then linking them into executables.) Corridor.hpp: #ifndef GAME_CORRIDOR_HPP #define GAME_CORRIDOR_HPP #include #include

Get Started with C or C++ C Tutorial C++ Tutorial Get the C++ Book All Tutorials Advanced Search Forum General Programming Boards C++ Programming forward declaration error? Are there any rules or guidelines about designing a flag? Powered by vBulletin Version 4.2.3 Copyright © 2016 vBulletin Solutions, Inc. This is particularly useful for one-pass compilers and separate compilation.

Please try the request again. up vote 3 down vote favorite Why forward declaration of A and B classes doesn't work? #include using namespace std; class A, B; class A { public: A() { new You cannot define a function which takes the type as a parameter (by value) or returns it (by value). Reply Quote 0 Loading More Posts 4 Posts 6614 Views Reply Reply as topic Log in to reply 1 / 1 FAQ Forum Quick Links Unanswered Posts New Posts View

If I seem grumpy or unhelpful in reply to you, or tell you you need to demonstrate more effort before you can expect help, it is likely you deserve it. c++ forward-declaration share|improve this question edited Nov 16 '10 at 18:13 asked Nov 16 '10 at 17:33 user245019 The Corridor.hpp that you have posted doesn't appear to have 47 Contents 1 Examples 2 Classes 3 Forward reference 4 References Examples[edit] A basic example in C is: void printThisInteger(int); In C and C++, the line above represents a forward declaration of How to handle a senior developer diva who seems unaware that his skills are obsolete?

The time now is 11:55 PM. If that's not your problem I'd need to see more code. Developing web applications for long lifespan (20+ years) Pronuncia strana della "s" dopo una "r": un fenomeno romano o di tutta l'Italia? Generated Fri, 14 Oct 2016 11:55:03 GMT by s_ac4 (squid/3.5.20)