[swift-evolution] [RFC] #Self

Matthew Johnson matthew at anandabits.com
Tue May 10 14:03:20 CDT 2016

> On May 10, 2016, at 1:43 PM, Chris Lattner <clattner at apple.com> wrote:
>> On May 10, 2016, at 9:03 AM, Matthew Johnson <matthew at anandabits.com <mailto:matthew at anandabits.com>> wrote:
>>>> class C {
>>>>  ... #Self... // Self is substituted by C, which is the defining type at compile time
>>>> }
>>> I think it would be surprising if #Self produced the name of the enclosing static type: Self produces the dynamic type, and we’d want to preserve consistency if it were named #Self.
>> That's a fair critique.  Having a more distinct name will make it clear that the behavior is completely unrelated to Self.
>> How about #Type or #StaticType?
> Either of those would make more sense to me than using # as a distinguisher for dynamic vs static.  This isn’t what we use # for.

Another suggestion was StaticSelf.  Any opinion on that one?  Also, do you think we should just drop the # altogether?

If we find a name we can agree on and there is no significant opposition is this a proposal that could make it into Swift 3?  I would be willing to write one if that is the case.

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