[swift-evolution] [swift-evolution-announce] [Review] SE-0108: Remove associated type inference
xenadu at gmail.com
Wed Jun 29 23:25:47 CDT 2016
> On Jun 29, 2016, at 4:38 PM, Brent Royal-Gordon via swift-evolution <swift-evolution at swift.org> wrote:
> Additionally, I believe the other un-defaulted associated types we'd like to infer if we can—`Collection.Index`, `Sequence.Iterator`, and `IteratorProtocol.Element`—could all be handled by simple "caveman inference" heuristics, rather than a full type inference pass. All three of these are used in either the types of un-defaulted properties (which cannot ever be overloaded) or the return types of un-defaulted nullary methods (which can be overloaded but rarely are). If we could use only those limited cases to guess the appropriate types, then plug them in and see if they typecheck, that would go a long way towards softening the blow of removing associated type inference.
I’m curious about this too. It seems too easy...
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