# CopierTester<TValue, TCopier>.Equals(TValue?, TValue?)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization.testkit/orleans.serialization.testkit.copiertester-2/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization.testkit/orleans.serialization.testkit.copiertester-2/methods/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Serialization.TestKit/CopierTester.cs#L97)

```csharp
protected virtual bool CopierTester<TValue, Equals(TValue? left, TValue? right)
```

Compares two values and returns `true` if they are equal, or `false` if they are not equal.

### Parameters

- `left` (`TValue?`)
- `right` (`TValue?`)