[swift-evolution] Smart KeyPaths

Brent Royal-Gordon brent at architechies.com
Sun Mar 19 15:45:31 CDT 2017

> On Mar 19, 2017, at 12:57 PM, Charles Srstka via swift-evolution <swift-evolution at swift.org> wrote:
>> I disagree. How the reader is supposed to now there is a static property or not ? Having readable code is more important than having easy to write code.
> I’ve got to agree with this. With the proposed syntax, it’s unclear whether you’re referring to a static property or a key path. It’s going to cause confusion. There needs to be some kind of syntactic way to differentiate the two.

How often do you have a property with the exact same name and type on both the instance and type? When you *do* have one, how often would it be better off with a name like `defaultFoo` instead of plain `foo`?

Why is this a problem for keypaths, but not for unbound methods?

How is this different from a hundred other places in Swift where we allow overloading and tolerate ambiguity in order to enjoy nicer syntax?

When, in practice, do you expect this to cause trouble?

Brent Royal-Gordon

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