> On Oct 2, 2016, at 6:24 PM, Jean-Denis Muys via swift-users
> wrote:
>
> Hi,
>
> Xcode seems to think that [some] builtins can be used from Swift. It
> autocompletes popcount for example, and command-clicking the function opens a
> bona fide interface file, with the following declaration (
Hi,
Xcode seems to think that [some] builtins can be used from Swift. It
autocompletes popcount for example, and command-clicking the function opens
a bona fide interface file, with the following declaration (among others):
public func __builtin_popcount(_: UInt32) -> Int32
However, when I try t
