Compiler Error C3400

 

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The latest version of this topic can be found at Compiler Error C3400.

circular constraint dependency involving 'constraint_1' and 'constraint_2'

The compiler detected circular constraints.

For more information, see Constraints on Generic Type Parameters (C++/CLI).

The following sample generates C3400.

// C3400.cpp  
// compile with: /clr /c  
generic<class T, class U>  
where T : U  
where U : T   // C3400  
public ref struct R {};  

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