System.Console.Wizard.Haskeline

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.

Haskeline supports all the following features completely.

A simple identity function, used to restrict types if the type inferred by GHC is too general. You could achieve the same effect with a type signature, but this is slightly less typing.

Modifies a wizard so that it will run with different Haskeline Settings to the top level input monad.