Compiler Error CS0562
The parameter of a unary operator must be the containing type
The method declaration for an operator overload must follow certain guidelines. For more information, see Operator overloading.
The following sample generates CS0562:
// CS0562.cs
public class iii
{
public static implicit operator int(iii x)
{
return 0;
}
public static implicit operator iii(int x)
{
return null;
}
public static iii operator +(int aa) // CS0562
// try the following line instead
// public static iii operator +(iii aa)
{
return (iii)0;
}
public static void Main()
{
}
}
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