Sergei Solovev

Any updates? The bug is still here. This code passes but it's incorrect. ```ts expect(cold('#', {}, 'A')).toBeObservable(cold('#', {}, 'B')) ```

Hello! 👋 Maybe it's too late, but here is the solution ([playground link](https://www.typescriptlang.org/play?ts=5.1.0-dev.20230502#code/C4TwDgpgBAYgrgOwMYB4AqAFAhgJywWwGcoIAPYCBAE2JwiyoHsEAbEKLBEAbQF0oAvBy58ANFDQAlCMDg4EgqIgDWCRgHcEAPkUAKAHSHcAc0IAuCdjxEAlIJ1SZchAG4AUG9CQoAUXJ4kYAB5HHRxAFVxGCwWFgAjLCRlHSE-YADgMKhwnTIKamIECAA3CBwoAH4oXWjYhKSSckoaCUrYGPjE5SgLItKcOws0jKycjzIwRhxgKAAzRECAS2YoRcJ4ZGBlhHQtXWKYizQbCwOWVeJhxODQtCiF++QUFTVNPi0dAG83KCg6WXkUC8EEYsygZ0EAiEACJ5ptttD3ABfDxwpYrWaMRgARl0pAsLw0CDs31+izBujWG3RCDxNhJP1+QPA0AAmopgaCoKR3EyoAB6fncqCEAAWjDgLCoUDi0AQuBwGgg0uAjCgAAMDEYcKYCQhVES+HYBDpCZp1byoCiUW40VsMViAEx43pwfCy8oAHyU1Ags0WRWl3t0+0OIvSAeMxp0cSxLHoxIZZIpVIW9tppHpUFJTOBUHZQk5YJ5jN+SGYhBmcQsscY8c4ilIumh0Jslt+guFYolUplcoVSpVas1ZwslZwkejMrjCYtjOtqLT2zmWIAzC6oAg3R6oN7EFQ-QHlUnVin1kvmHST788wXmZAuSW+Z3SCLxZLpbLNyUyvO3CigA)) ```typescript type Func = (...args: TParams) => TReturn; type ExtractOr = Extract extends never ? (Fallback extends...