[swift-evolution] Proposal: Add generator functions to the language

[Jordan Rose]

It's desireable for the signature of a function to be fully checkable without looking at the body, for a number of reasons. It's also something clients of a library will want to know, so it needs to be displayed in the library's interface somehow.

Jordan


> On Dec 11, 2015, at 18:03 , Andrey Tarantsov via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Do we actually need the "generator" keyword? Why can't the compiler figure it out by the presence of yield?
> 
> And "yield" is a fairly standard keyword across languages, so no harm in claiming it, IMO.
> 
> +1 on the proposal.
> 
> A.
> 
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