[swift-evolution] private & fileprivate

[David Hart]

Comments inline:

> On 8 Oct 2016, at 00:56, Jordan Rose via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
>>> On Oct 7, 2016, at 15:15, William Sumner via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> 
>>> On Oct 7, 2016, at 3:05 PM, Zach Waldowski via swift-evolution <swift-evolution at swift.org> wrote:
>>> 
>>> I third this sentiment. fileprivate is a nice idea and very clearly has its uses (which is why the proposal got traction in the first place), but when  combined with the other access levels, the language feature as a whole feels arbitrary. In practical use, files that I felt were nicely encapsulated and hiding implementation details are now a scattered mix of access levels, adding cognitive load and making the code look unorganized for having the gall to use extensions to split up functionality.
>>> 
>>> Sincerely,
>>>   Zachary Waldowski
>>>   zach at waldowski.me
>> 
>> Beyond the textual change of using a different modifier name, I don’t see how the encapsulation and organization of code could be affected. Really, there’s not much point in rehashing prior discussion of SE-0025 unless there’s a previously unconsidered angle.
> 
> I strongly agree with this sentiment. SE-0025 was very heavily discussed, and while many people were not satisfied with the solution we went with (including me!), it was what the core team and community converged on. I don't expect us to change access control again until and unless we decide to change the model in some way, and even then I think we'll want to go through extra effort to maintain compatibility with Swift 3. As has been mentioned repeatedly, the bar for source-breaking changes is much higher than it was in the first few months of swift-evolution.
> 
> I actually consider it very lucky that most of our changes so far have been fairly non-controversial.

I agree. But I think this one is different, and that's why I brought it up :)

> Everybody has a different idea of what would make Swift a better language, and all of us well-meaning. But when those ideas conflict, some group is going to end up unhappy. I'm actually very glad that (a) we haven't had too many of these cases, and (b) even when we have, people have been able to accept it and move on to contributing to the next issue.

For me, this is not a question of people being unhappy. I've seen create confusion to both old and new Swift developers.

> Jordan
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