[swift-evolution] [Proposal] Explicit Non-Default-Implemented Protocol Requirements

[Víctor Pimentel Rodríguez]

On Wed, Aug 2, 2017 at 1:09 PM, Gor Gyolchanyan via swift-evolution <
swift-evolution at swift.org> wrote:
>
>  and if you have a huge entity, it doesn't get better just because you
> split it and hide its complexity.
>
>
> Splitting and hiding complexity is by far the only reasonable way of
> dealing with huge entities. If the entity gains too much responsibility,
> it's probably a good idea to split it into several smaller entities. If the
> entity contains a large amount of accidental complexity that solely serves
> the purpose of enabling a select set of intended features, then it's
> probably a good idea to hide the accidental complexity away from users of
> the entity.
>
> In fact, that's exactly why I always wished that protocols could get
> private requirements that are there solely for use in protocol extensions
> and are otherwise hidden from existence. I haven't talked about this in
> detail because I don't see a reasonable way of implementing it yet.
>

+1, although most times I wanted this because of the impossibility of
defining stored attributes in protocol extensions, let alone private stored
attributes.

-- 
Víctor Pimentel
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