[swift-evolution] Proposal: Add generator functions to the language
jordan_rose at apple.com
Fri Dec 11 20:18:09 CST 2015
Another possible syntax, inspired by "throws".
func foo() yield -> String
I'm not sure what happens if a function both yields and throws. I guess that can't happen right now because generators are required not to throw when producing their next() value.
> On Dec 11, 2015, at 18:14 , Jordan Rose <jordan_rose at apple.com> wrote:
> 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.
>> On Dec 11, 2015, at 18:03 , Andrey Tarantsov via swift-evolution <swift-evolution at swift.org <mailto: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.
>> swift-evolution mailing list
>> swift-evolution at swift.org <mailto:swift-evolution at swift.org>
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