Re: Struggling with flatten function.

On Thu, 29 Sep 2016 23:38:59 +0200
"Oliver Bandel [email protected] [ocaml_beginners]"
<[email protected]> wrote:

> Hello,
> 
> 
> Zitat von "Douglas Lewit [email protected] [ocaml_beginners]"  
> <[email protected]> (Thu, 29 Sep 2016 15:10:56 -0500)
> 
> > So I figured out the following:
> >
> > let rec flatten = function
> >                          |[ ] -> [ ]
> >                          |head :: tail -> head @ flatten tail ;;
> >
> > This mimics the builtin List.flatten function from the List
> > module.  
> [...]
> 
> So, you reinvented the wheel.
> 

Perhaps, he simply wants to learn. As a learning experience it is a
good thing to mimick library functions. 

-- 
Manfred