> On Nov 10, 2017, at 5:36 PM, Joe Groff <jgr...@apple.com> wrote: > > How `MyObject.foo(_:bar:)` gets implemented is its own business, as far as > the compiler is concerned. The compile-time name resolution for the method > isn't impacted. > > -Joe
The compile-time name resolution for the method doesn’t happen *at all.* If the method is dynamic, it’s resolved at runtime. The method may or may not even exist; all you know is that the object address, the method name, and a list of the arguments will be passed to a function called objc_msgSend(), which conceptually is remarkably similar to Chris’s dynamicCall(). Charles
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