I was just thinking that:
protocol Foo : reference {}
might be more to the point than:
protocol Foo : class {}
I know that it’s currently a moot point because classes are the only*
reference-semantics type of type in Swift, but it’s conceivable that there
might some day be others. Anyway, I’m not saying it’s a big deal or anything,
I’m just trying to think of any source-breaking changes we might want to make
before Swift 3 drops, and this seems like an easy one.
- Dave Sweeris
* I’m not actually sure this is true. I have a very vague recollection about
some protocols getting reference semantics in certain circumstances, but the
memory is so hazy I’m not sure I trust it. Also I can’t remember if the
“indirect” keyword in enums affects the semantics.
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