Embedding newlines into a string? [Was: Re: [Haskell-cafe] Separate a string into a list of strings]

[Neil Mitchell]

Hi



On Mon, Apr 14, 2008 at 8:22 AM, Benjamin L. Russell
<dekudekuplex at yahoo.com> wrote:
> A friend and I were working on a Haskell version of
>  Towers of Hanoi yesterday, and I tried writing out the
>  program today, but got stuck on outputting newlines as
>  part of the string; viz:

>     | n == 1 = putStrLn ("Move " ++ show source ++ " to
>  " ++ show dest ++ "." ++ show '\n')

show '\n' = "\\n"

"\n" == "\n"

Therefore:

>     | n == 1 = putStrLn ("Move " ++ show source ++ " to
>  " ++ show dest ++ "." ++ "\n")

Note that you need the brackets, an in general don't call show on a
String or a Char.

Thanks

Neil