[Haskell-beginners] Query regarding an unusually behaving code

[Theodore Lief Gannon]

Gah, got here late and missed that this was a response, not the problem
description. That's twice now I've put my foot in it. Stupid mailinglists,
with no edit buttons...

Well at least in both cases I've added SOMETHING useful. :)

On Sat, Nov 14, 2015 at 11:42 PM, Theodore Lief Gannon <tanuki at gmail.com>
wrote:

> GHCi doesn't quite support everything you could put in a source file. To
> do what you want here, you need to use Haskell's alternative block syntax:
>
> :{
> let { digs 0 = [0]
>     ; digs x = (digs (x `div` 10)) ++ [(x `rem` 10)]
>     }
> :}
>
> ...yep, curly braces and semicolons just like C-family. :) It's intended
> for machine-generated code, but works for this too. And in fact you
> actually don't need multi-line, this is legal:
>
> let { digs 0 = [0]; digs x = (digs (x `div` 10)) ++ [(x `rem` 10)] }
>
>
> On Sat, Nov 14, 2015 at 9:35 PM, <amindfv at gmail.com> wrote:
>
>> In ghci you want to make a multi-line expression:
>>
>> :{
>> let digs 0 =[0]
>>     digs x = (digs (x `div` 10)) ++ [(x `rem` 10)]
>> :}
>>
>> (Note we don't put "let" on the second line)
>>
>> tom
>>
>>
>> > El 13 nov 2015, a las 01:47, akash g <akaberto at gmail.com> escribió:
>> >
>> > let digs 0 =[0]
>> > let digs x = (digs (x `div` 10)) ++ [(x `rem` 10)]
>> _______________________________________________
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>> Beginners at haskell.org
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/beginners
>>
>
>
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