As a meta-issue, it's been hard to make meaningful commentary during this review process because the latest proposal has been so rapidly shifting throughout. What, exactly, is the version we are reviewing at the moment? Can we have a few days to mull over that version specifically? On Thu, Jun 30, 2016 at 12:24 David Sweeris via swift-evolution < [email protected]> wrote:
> Agreed. Also, if we’re supposed to say `MemoryLayout.of()` now, does > MemoryLayout still need a public init? Half of the proposal’s problems > revolve around the likely-unexpected behavior caused by passing T.self to > the init function (although, argument labels would also solve the issue). > > - Dave Sweeris > > On Jun 29, 2016, at 10:05 PM, Jacob Bandes-Storch via swift-evolution < > [email protected]> wrote: > > > I'm not sure this bikeshed is the right color yet. > > How does the user remember the distinction between MemoryLayout<Int> and > MemoryLayout.of(Int) ? To keep it clear, how about ofValue() rather than > of() ? > > Also, could the implementation be simply > > static func ofValue(_ value: @autoclosure () -> T) -> > MemoryLayout<T>.Type { > return self > } > > ? > > Jacob > > On Wed, Jun 29, 2016 at 7:36 PM, Erica Sadun via swift-evolution < > [email protected]> wrote: > >> >> On Jun 29, 2016, at 3:59 PM, Xiaodi Wu via swift-evolution < >> [email protected]> wrote: >> >> On Wed, Jun 29, 2016 at 4:50 PM, David Sweeris <[email protected]> >> wrote: >> >>> That’s the “as proposed” usage for getting the size of a value (from >>> https://gist.github.com/erica/57a64163870486468180b8bab8a6294e) >>> >>> // Types >>> MemoryLayout<Int>.size // 8 >>> MemoryLayout<Int>.arraySpacing // 8 >>> MemoryLayout<Int>.alignment // 8 >>> // Valuelet x: UInt8 = 5 >>> MemoryLayout(x).dynamicType.size // 1 >>> MemoryLayout("hello").dynamicType.arraySpacing // 24 >>> MemoryLayout(29.2).dynamicType.alignment // 8 >>> >>> >>> >>> At least, I *thought* that was the latest version of the proposal. >>> Maybe I’ve gotten confused. >>> >> >> There must be a typo in these examples. >> `MemoryLayout(x.dynamicType).size` perhaps? >> >> >> I have listened. I have updated. >> >> https://gist.github.com/erica/57a64163870486468180b8bab8a6294e >> >> // Types >> MemoryLayout<Int>.size // 8 >> MemoryLayout<Int>.arraySpacing // 8 >> MemoryLayout<Int>.alignment // 8 >> >> // Value >> let x: UInt8 = 5 >> MemoryLayout.of(x).size // 1 >> MemoryLayout.of(1).size // 8 >> MemoryLayout.of("hello").arraySpacing // 24 >> MemoryLayout.of(29.2).alignment // 8 >> >> >> -- E >> >> >> _______________________________________________ >> swift-evolution mailing list >> [email protected] >> https://lists.swift.org/mailman/listinfo/swift-evolution >> >> > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution > > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution >
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