[swift-evolution] [Proposal][Discussion] Modular Swift

[Xiaodi Wu]

On Tue, Feb 21, 2017 at 9:29 PM, Robert Widmann <devteam.codafi at gmail.com>
wrote:

> Once again, internal is your keyword.  An extension allows you to “open
> and expand” the module boundary here, which is exactly what you want here -
> to extend this module across file boundaries without showing your cards to
> an external consumer of your framework.
>

Sorry, I don't understand. Does your design support the use case below? I
don't think it does. Are you replying that supporting the use case below is
not a goal of your proposal? If so, please just say so.


On Feb 21, 2017, at 10:26 PM, Xiaodi Wu <xiaodi.wu at gmail.com> wrote:
>
> On Tue, Feb 21, 2017 at 9:08 PM, Robert Widmann via swift-evolution <
> swift-evolution at swift.org> wrote:
>
>> Sorry, been replying to multiple sub-threads today.
>>
>>
>> For bar(), because you wish to be able to
>>
>> 1) Not export it across the outermost module boundary
>> 2) But still use it internally
>>
>> Internal access is required.  Any higher and you would export (violating
>> 1), any lower and you wouldn’t be able to internally import (violating 2).
>>
>> For baz(), because you wish to be able to
>>
>> 1) Not export it across the outermost module boundary,
>> 2) Or even your own internal submodule boundary
>>
>
> 3) But still use it within the same submodule, across different file
> boundaries: this is the feature that many people have stated they want to
> emerge out of a submodule design.
>
> Private or fileprivate suffices depending on the scoping you wish for it
>> to have within the file/interface it’s a part of relative to the other APIs
>> in the submodule.
>>
>> > On Feb 21, 2017, at 10:04 PM, Brent Royal-Gordon <
>> brent at architechies.com> wrote:
>> >
>> > I specified two different behaviors for `bar()` and `baz()`. I see now
>> that you describe `internal` as having the behavior I want for `bar()`. Is
>> there a way I can get the behavior I want for `baz()`?
>> >
>> > --
>> > Brent Royal-Gordon
>> > Sent from my iPhone
>> >
>> > On Feb 21, 2017, at 6:51 PM, Robert Widmann <devteam.codafi at gmail.com>
>> wrote:
>> >
>> >>> What access modifiers do I put on `bar()` and `baz()` so that `MyMod`
>> can access `bar()` but not `baz()`, and code outside `MyMod` can access
>> neither `bar()` nor `baz()`?
>> >>>
>> >>
>> >> internal
>>
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>
>
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