[swift-evolution] [Review] SE-0023 API Design Guidelines (when to use properties)

Charles Kissinger crk at akkyra.com
Thu Jan 28 00:23:59 CST 2016

> On Jan 27, 2016, at 11:23 AM, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:

> 1. I don't know how to nail down what was meant by “intrinsic” in:
>     Things that are “intrinsic” to the receiver are properties

How about: If something is, or logically could be, a value stored in memory as part of the object, it is intrinsic.

> 3. I don't understand the rationale we currently have for
>   sequence.iterator() not being a property, even though I think that's
>   the right choice.

To me, a sequence.iterator property would suggest there is one such thing that is intrinsic to the sequence. A sequence.iterator() method better expresses the idea that there can be multiple independent iterators existing at once (for multi-pass sequences anyway).


> -- 
> -Dave
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