[Haskell-cafe] Re: Int->[Char] conversion
jon.fairbairn at cl.cam.ac.uk
Wed Aug 16 10:39:53 EDT 2006
Tamas K Papp <tpapp at Princeton.EDU> writes:
> I am working through Hal Daume's tutorial, trying to do the exercises.
> I can't figure out how to output an integer with putStrLn (or any
> other way), I think I need an Int -> [Char] conversion but couldn't
> find it. Specifically, in Exercise 3.10, I have the product of
> numbers in pp, and would like to do
> putStrLn ("Product: " ++ convertnumbertostring(pp))
> but I don't know which function does this...
You could try Hoogle <URL: http://haskell.org/hoogle/ >,
though entering Int -> [Char] isn't very helpful, if you put
in Int -> String, you get 'show' as the second hit, and
that's the function you want.
Jón Fairbairn Jon.Fairbairn at cl.cam.ac.uk
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