The Haskeline back-end will throw this exception if EOF is encountered when it is not expected. Specifically, when actions such as getInputLine return Nothing.
Instances2Show, Exception
Show UnexpectedEOFDefined in wizards-1.0.3 · System.Console.Wizard.HaskelineException UnexpectedEOFDefined in wizards-1.0.3 · System.Console.Wizard.Haskeline