> On Dec 24, 2017, at 3:04 PM, Howard Lovatt via swift-evolution > <swift-evolution@swift.org> wrote: > > Proposal link: > https://github.com/apple/swift-evolution/blob/master/proposals/0193-cross-module-inlining-and-specialization.md > > <https://github.com/apple/swift-evolution/blob/master/proposals/0193-cross-module-inlining-and-specialization.md> > What is your evaluation of the proposal <x-apple-data-detectors://7>? > > -1 > > The proposal puts all the emphasis on the programmer. It is better for the > compiler to decide if something is to be inclined both across modules and > within modules. > > If something is made public then it should be fixed for a given major version > number. No need for extra annotation. > > A module system that allows versioning is a better solution. > > Can you explain your proposed solution in more detail?
> No, cluttering up declarations is completely against the clarity of Swift. > For example who other than people on this group will understand > @inline(never) @inlinable. > > We don’t expect this attribute to be used frequently in third-party frameworks. @inline(never) @inlinable is a weird combination, but I hope that @inline(never) is used even less frequently. In fact other than debugging it probably doesn’t have much purpose at all, and it would be nice to deprecate it some day. > If you have used other languages or libraries with a similar feature, how do > you feel that this proposal compares to those? > > Yes C and C++ and found the equivalent of these annotations problematic. In > Java they eliminated all this and let the compiler do the work. In practice > this works much better. > > The Java approach works because there’s no separate compilation — having a JIT means the optimizer is free to inline across module boundaries without any resilience considerations. This doesn’t fit with Swift’s compilation model though. Slava
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