Classes

This is a discussion on Classes within the C++ Programming forums, part of the General Programming Boards category; Code: class one { public: void test(two t) { } }; class two { public: void testt(one o) { } ...

  1. #1
    Registered User
    Join Date
    Jul 2010
    Posts
    8

    Classes

    Code:
    class one {
    	public:
    		void test(two t) {
    
    		}
    };
    
    class two {
    	public:
    		void testt(one o) {
    
    		}
    };
    
    int main() {
    	return 0;
    }

    this gives the following error in visual c++ :

    Code:
    (3)error C2061: syntax error : identifier 'two'

    how do i fix such a thing.

  2. #2
    C++ Witch laserlight's Avatar
    Join Date
    Oct 2003
    Location
    Singapore
    Posts
    23,820
    Forward declare the two class, and the define one::test outside of the class definition, e.g.,
    Code:
    class two;
    
    class one {
    public:
        void test(two t);
    };
    
    class two {
    public:
        void testt(one o) {
    
        }
    };
    
    int main() {
        return 0;
    }
    
    void one::test(two t) {
    
    }
    Quote Originally Posted by Bjarne Stroustrup (2000-10-14)
    I get maybe two dozen requests for help with some sort of programming or design problem every day. Most have more sense than to send me hundreds of lines of code. If they do, I ask them to find the smallest example that exhibits the problem and send me that. Mostly, they then find the error themselves. "Finding the smallest program that demonstrates the error" is a powerful debugging tool.
    Look up a C++ Reference and learn How To Ask Questions The Smart Way

  3. #3
    Registered User
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    Jul 2010
    Posts
    8
    Thanks

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