[swift-evolution] [Review #2] SE-0161: Smart KeyPaths: Better Key-Value Coding for Swift

[Ricardo Parada]

> On Apr 5, 2017, at 11:13 PM, Xiaodi Wu <xiaodi.wu at gmail.com> wrote:
> 
> It is also worth mentioning that, with the sigil, the `keyPath` label may not be so necessary:
> 
> 	print(luke[\.friends[0].name])
> 	// or, if the suggestion above is accepted
> 	print(luke[\.friends[0].name\])


I think the label makes it more obvious, specially when using it with a key path variable:

let someKeyPath = ... 
person[keyPath: someKeyPath]

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