> On Dec 5, 2015, at 1:44 PM, Jacob Bandes-Storch via swift-evolution > <swift-evolut...@swift.org> wrote: > > One option was to use the API notes feature of the compiler to annotate these > APIs as part of the import into Swift. Another is to get the C headers > changed (on Darwin too) to add the attribute. We may want to do one approach > in the short term and another in the long term. > > I've been operating under the assumption that __attribute__((noescape)) will > eventually be deeply understood by clang, and allow the same elision of > "self" in Objective-C that @noescape does in Swift. (I filed > <rdar://19914650> for this some time ago.) > > Thus, I think it makes the most sense to change the C headers.
I completely agree with that statement, and I think that this change should make it into Darwin and swift-corelibs-libdispatch both. -Pierre
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