[Haskell-beginners] Noob question.(I'm trying 'http://learnyouahaskell.com' tutorial)
jakub.oboza at gmail.com
Mon Apr 16 23:55:57 CEST 2012
Because GHC is limited
in GHC you cant do
double a = a * a
you have to put into let
let double a = a * a
On 16 Apr 2012, at 22:50, Mait wrote:
> Ubuntu 12.04
> haskell-platform/precise uptodate 2012.1.0.0~debian
> ghci --version
> The Glorious Glasgow Haskell Compilation System, version 7.4.1
> I've tried all day with,
> 'Learn You a Haskell for Great Good!'
> Very attractive book. I'm really enjoying this book.
> Anyway I have one question,
> Why I can't declare func type like books?
> I got always error about 'lacks an accompanying binding', like this,
> Prelude> :l baby.hs
> [1 of 1] Compiling Main ( baby.hs, interpreted )
> The type signature for take' lacks an accompanying binding
> Failed, modules loaded: none.
> Here is codepad link,
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> Beginners at haskell.org
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