> On 26 Jul 2016, at 19:52, Chris Lattner via swift-evolution
> <swift-evolution@swift.org> wrote:
>
> Proposal Link:
> https://github.com/apple/swift-evolution/blob/master/proposals/0131-anyhashable.md
>
> The review of "SE-0131: Add AnyHashable to the standard library" ran from
> Active review July 23…25. The proposal has been *accepted*.
>
> The feedback on this proposal was quite positive. A few questions were
> raised, but were answered on-thread. Thank you to Dmitri Gribenko for
> writing this proposal and driving this discussion forward.
>
> -Chris Lattner
> Review Manager
>
>
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I didn’t get an answer about making the wrapping implicit. Is something like
that at all possible?
When I look at the changes required, this looks like a massive readability
regression - especially given that AnyHashable is pretty much a hack around
incomplete existential support anyway:
> let _ = NSError(domain: "myDomain", code: 4,
> - userInfo: ["a":1,"b":2,"c":3])
> + userInfo: [AnyHashable("a"):1,
> + AnyHashable("b"):2,
> + AnyHashable("c"):3])
The proposal itself claims that "AnyHashable itself is additive.
Source-breaking changes are discussed in SE-0116.”, but that is not true. I
don’t see any discussion of these source-breaking changes in SE-0116 - which in
fact delegates discussion of the specific AnyHashable design back to this
proposal.
Karl
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