[Haskell-cafe] Re: mutually recursive types

[Jon Fairbairn]

"rodrigo.bonifacio" <rodrigo.bonifacio at uol.com.br> writes:

> Hi, I am learning the haskell programming language and had
> tried to define the following types:
> 
> type Scenario = (String, String, [Step]) type Step =
> (String, Scenario, String, String, String)

data Scenario = Scenario String String [Step]
data Step = Step String Scenario String String String

-- 
Jón Fairbairn                                 Jon.Fairbairn at cl.cam.ac.uk