[swift-evolution] [Returned for revision] SE-0161: Smart KeyPaths: Better Key-Value Coding for Swift

Brent Royal-Gordon brent at architechies.com
Thu Apr 6 18:21:51 CDT 2017

> On Apr 6, 2017, at 2:39 PM, Joe Groff via swift-evolution <swift-evolution at swift.org> wrote:
> for key in [\Vector.x, \.y, \.z, \.w] {
> 	a[key] += b[key]
> }

Sorry to derail slightly, but I'd love to see a key path type shorthand—perhaps something like:

	for key: \Vector: Int in [\.x, \.y, \.z, \.w] {

It's probably something we should defer until we know more about how frequently people use key paths, though.

Brent Royal-Gordon

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