[swift-evolution] SE-0025: Scoped Access Level, next steps
possen at gmail.com
Thu Mar 31 00:04:38 CDT 2016
still googleable and very clear its scope and meaning, nice latin root. Doesn’t overload “private”, slightly shorter.
> On Mar 30, 2016, at 9:46 PM, Thorsten Seitz via swift-evolution <swift-evolution at swift.org> wrote:
> Looks good to me.
>> Am 31.03.2016 um 06:22 schrieb Chris Lattner via swift-evolution <swift-evolution at swift.org>:
>>> On Mar 23, 2016, at 10:13 PM, Chris Lattner <clattner at apple.com> wrote:
>>> How about we continue this trend, and follow other existing Swift keywords that merge two lowercase words (associatedtype, typealias, etc), and use:
>>> The advantages, as I see them are:
>>> 1) We keep public and private meaning the “right” and “obvious” things.
>>> 2) The declmodifiers “read” correctly.
>>> 3) The unusual ones (moduleprivate and fileprivate) don’t use the awkward parenthesized keyword approach.
>>> 4) The unusual ones would be “googable”.
>>> 5) Support for named submodules could be “dropped in” by putting the submodule name/path in parens: private(foo.bar.baz) or moduleprivate(foo.bar). Putting an identifier in the parens is much more natural than putting keywords in parens.
>> I’ve seen a number of concerns on this list about moduleprivate, and how it penalizes folks who want to explicitly write their access control. I’ve come to think that there is yes-another possible path forward here (which I haven’t seen mentioned so far):
>> The advantages, as I see them are:
>> 1) We keep public and private meaning the “right” and “obvious” things.
>> 2) The declmodifiers “read” correctly.
>> 3) Compared to Swift 2, there is almost no change. The only thing that changes is that some uses of Swift 2 “private” will be migrated to “fileprivate”, which makes the intent of the code much more clear.
>> 4) fileprivate is the unusual and not-really-precedented-in-other-languages modifier, and it would still be “googable”.
>> 5) The addresses the “excessively long” declmodifier problem that several people are concerned with.
>> 6) Support for named submodules could be “dropped in” by parameterizing “internal”.
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