[Haskell-cafe] APIs

[Daniel Fischer]

Am Mittwoch, 25. Mai 2005 01:45 schrieb Jérémy Bobbio:
> On Wednesday 25 May 2005 01:09, Daniel Fischer wrote:
> > What about a type synonym? I think
> >
> > type CreateParents = Bool
>
> The thread started about readability at the call site.  Using a type
> synonym for Bool needs to figure out what this "True" at call site
> means instead of understanding it right away.
>
Quite, I didn't think of that yesterday.

> What about adding to the Daniel's definition:
>
>   don'tCreateParents :: CreateParents
>   don'tCreateParents = False
>   createParents      :: CreateParents
>   createParents      = True
>
I like that!

> I'm not finding this fancy as the library user is not required to use
> them.  Using constructors also emphasis which are options and which are
> not.
>
> Cheers,
>   Jérémy.

Cheers,
Daniel