[swift-evolution] SE-0025: Scoped Access Level, next steps
jesse.d.squires at gmail.com
Thu Mar 31 01:03:20 CDT 2016
I really like this. +1 for the following:
On Wed, Mar 30, 2016 at 9:22 PM, Chris Lattner via swift-evolution <
swift-evolution at swift.org> wrote:
> 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:
> > public
> > moduleprivate
> > fileprivate
> > private
> > 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
> 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
> swift-evolution mailing list
> swift-evolution at swift.org
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