[Haskell-cafe] Newbie question -- fromInt
cgibbard at gmail.com
Thu Apr 28 11:27:00 EDT 2005
The function fromInt is no longer around. Use fromIntegral instead,
which works with Int and Integer.
On 4/28/05, Tim Rowe <digitig at gmail.com> wrote:
> I'm working through "The craft of functional programming" , and I've
> come to excercise 3.14: "Give a function to return the average of
> three integers".
> My attempt at an answer is:
> averageThree :: Int -> Int -> Int -> Float
> averageThree a b c = fromInt(a + b + c) / 3
> but when I try to load this file I get an error, "Undefined variable fromInt".
> I get the error on winHugs version Nov 2003 and on Hugs version Nov
> 2003 (in both cases in Hugs mode). Curiously, when I found a machine
> with an old (2002) version of Hugs on it the file loaded fine.
> Has something changed between versions of Hugs, is my code reasonable,
> and how /do/ I convert an Int to a Float in Hugs version Nov 2003?
> Thanks in advance,
> Tim Rowe
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
More information about the Haskell-Cafe