Compiler Error C2827


The new home for Visual Studio documentation is Visual Studio 2017 Documentation on

The latest version of this topic can be found at Compiler Error C2827.

operator operator' cannot be globally overridden with unary form

The operator cannot have a unary form outside of an object.

To fix by using the following possible solutions

  1. Make the overloaded operator local to an object.

  2. Choose an appropriate unary operator to overload.