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Compiler Error C3400

Error Message

circular constraint dependency involving 'constraint_1' and 'constraint_2'

The compiler detected circular constraints.

For more information, see Constraints.


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 {};