[swift-evolution] The lack of namespaces is leading people astray

Step Christopher schristopher at bignerdranch.com
Tue Jan 31 21:49:39 CST 2017


I remain a fan of adding 'namespace' to the language. 

In the meantime I'll continue using the enum static member approach. But I would love to have something semantically cleaner. 

> El ene. 30, 2017, a las 3:09 PM, Robert Widmann via swift-evolution <swift-evolution at swift.org> escribió:
> 
> I submitted a proposal with TJ a while ago that tried to address this comprehensively because the trouble is if you just want submodules you have to define how our current penta-scheme of access control interacts with each level or do away with a few of them to make some simplifying assumptions.  It also raises an ambiguity with qualified imports that has to be worked out.
> 
>> On Jan 30, 2017, at 9:00 AM, Adrian Zubarev via swift-evolution <swift-evolution at swift.org> wrote:
>> 
>> If I remember correctly it has been said that we don't need namespaces in favor of submodules, which schould solve these issues.
>> 
>> -- 
>> Adrian Zubarev
>> Sent with Airmail
>> Am 30. Januar 2017 um 14:55:31, Tuur Anton via swift-evolution (swift-evolution at swift.org) schrieb:
>> 
>>> The lack of namespaces is making people create all kinds of "design patterns".
>>> 
>>> struct API {
>>>     static let endpoint = "http://example.com/api"
>>> }
>>> 
>>> Here is an "improvement" to the above "design pattern" to prevent instantiating API:
>>> 
>>> struct API {
>>>     private init() {}
>>>     static let endpoint = "http://example.com/api"
>>> }
>>> 
>>> Finally, here is another "improvement" that uses enum instead of struct to avoid having to write the private initializer:
>>> 
>>> enum API {
>>>     static let endpoint = "http://example.com/api"
>>> }
>>> 
>>> I doubt any of you find this beautiful. Yet these "design patterns" (just hacks IMO) are spreading like the plague because of the lack of namespaces.
>>> 
>>> What do you think?
>>> 
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>>> swift-evolution at swift.org
>>> https://lists.swift.org/mailman/listinfo/swift-evolution
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