Here's a more from-scratch approach, but I like yours better for obvious reasons.
http://swiftstub.com/732424572 Jacob Bandes-Storch On Fri, Dec 18, 2015 at 2:43 PM, Erica Sadun <er...@ericasadun.com> wrote: > Lazier. > > http://swiftstub.com/596982131 > > > On Dec 18, 2015, at 3:32 PM, Erica Sadun <er...@ericasadun.com> wrote: > > p.s. http://swiftstub.com/195460039 > > (I'm sure this could be done more lazily and well) > > > On Dec 18, 2015, at 2:47 PM, Jacob Bandes-Storch <jtban...@gmail.com> > wrote: > > Oops, of course I meant product<S1: SequenceType, S2: SequenceType>(...) ! > > Jacob > > On Fri, Dec 18, 2015 at 1:45 PM, Jacob Bandes-Storch <jtban...@gmail.com> > wrote: > >> 1. Maybe ProductGenerator? >> 2. Use AnyGenerator<(T, U)>? >> >> I'd love to see something like this in stdlib: >> >> func product<S1, S2>(s1: S1, s2: S2) -> >> ProductSequence<S1.Generator.Element, S2.Generator.Element> { >> ... >> } >> >> where ProductSequence<T,U>.Generator.Element is (T, U). >> >> So your example could be "for (x,y) in product(0..<4, 0..<2)". >> >> Jacob Bandes-Storch >> >> On Fri, Dec 18, 2015 at 1:22 PM, Erica Sadun via swift-users < >> swift-users@swift.org> wrote: >> >>> Source: http://swiftstub.com/788132715 >>> >>> Two questions: >>> >>> 1. Can anyone recommended a better name than Cartesian? 2D doesn't work >>> for the compiler and I'm looking for something that doesn't seem >>> "floating-point"-y >>> 2. Is there a way to internalize the generator and not make it public? >>> I'd ideally like to hide all details except the fact that this is a >>> sequence of (Int, Int) >>> >>> Thanks >>> >>> -- Erica >>> >>> >>> _______________________________________________ >>> swift-users mailing list >>> swift-users@swift.org >>> https://lists.swift.org/mailman/listinfo/swift-users >>> >>> >> > > >
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