[swift-evolution] Proposal: Add generator functions to the language
Jonathan Hise Kaldma
info at hisekaldma.com
Fri Dec 11 20:26:06 CST 2015
Shouldn't it be:
func foo() yields -> String
Also +1 on the idea.
> 12 dec. 2015 kl. 03:18 skrev Jordan Rose via swift-evolution <swift-evolution at swift.org>:
> 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> 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
> swift-evolution mailing list
> swift-evolution at swift.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the swift-evolution