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Questions - forward-declaration

C++: using-statement of forward-declared class generates error C2371

//A.h class A; //A.cpp #include A.h class MyA {}; using A = MyA; // error C2371 'A' : redefinition; different basic types https://ideone.com/Aifxy2 A lot of legacy code uses the class name A. I wan...
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RainingChain

c++

typedef

using

forward-declaration

Votes: 0

Answers: 1

Latest Answer

//A.h class MyA; using A = MyA; //A.cpp #include A.h class MyA {};
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RainingChain

How to forward declare a function within the same class?

There is a class A having all the declarations and definitions are placed inside as shown below: class A { void f(); // forward declaration for a lengthy method ... void g() { f(); // c...
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HaeRim Lee

c++

forward-declaration

Votes: 0

Answers: 1

Latest Answer

You don't need to forward declare the member function. And you cannot both forward declare, and define a member function within the class definition - If you forward declare, then you must define the ...
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eerorika

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