[Haskell-cafe] Re: Int->[Char] conversion

[Jón Fairbairn]

Tamas K Papp <tpapp at Princeton.EDU> writes:

> Hi,
> 
> 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