C28020

 

The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.

The latest version of this topic can be found at C28020.

warning C28020: The expression <expr> is not true at this call

This warning is reported when the _Satisfies_ expression listed is not true. Frequently this indicates an incorrect parameter.

If this occurs on a function declaration, the annotations indicate an impossible condition.

Show: