[swift-evolution] [Proposal] More lenient subscript methods over Collections

[Vladimir.S]

Personally I don't feel like `flat` is better. Especially if there is 
`clamping` in Range for the same purpose. Then we should not re-invent the 
wheel.

On 13.05.2016 16:09, Luis Henrique B. Sousa wrote:
> Perhaps another word that could fit in the first case
> (truncate/bounded/within/clamping) is `flat`. Along the same lines of the
> `flatMap` which returns only non-nil values, here we have an empty array
> instead of nil when the range doesn't apply at all.
>
> let array = [1,2,3]
>
> array[flat: 0..<10] // [1,2,3]
> array[checking: 0..<10] // nil
>
> I'm still not sure if `clamping` is the right word. What do you think?
>
> - Luis
>
> On Thu, May 12, 2016 at 7:25 AM, Brent Royal-Gordon <brent at architechies.com
> <mailto:brent at architechies.com>> wrote:
>
>     > It sounds good, thanks for you suggestions @Vladimir, @Patrick and @Brent.
>     >
>     > I've just updated the proposal:
>     > https://github.com/luish/swift-evolution/blob/more-lenient-subscripts/proposals/nnnn-more-lenient-collections-subscripts.md#detailed-design
>     >
>     > - Luis
>
>     Hmm. If you're going with `checking` for one of them, perhaps the other
>     should be `clamping` (for the analogous method on `Range`, which you
>     might want to use in the implementation of that subscript). That would
>     create a nicely matched pair:
>
>             array[checking: 0..<10]
>             array[clamping: 0..<10]
>
>     --
>     Brent Royal-Gordon
>     Architechies
>
>