It works for me with Xcode 9.1 and 9.2 using latest dev snapshot (from 2017-11-28 and 2017-12-03), I added -enable-experimental-conditional-conformances in Other Swift Flags as you show in the screenshot. /Jens
On Wed, Dec 6, 2017 at 4:32 AM, Matt Whiteside via swift-users < swift-users@swift.org> wrote: > Hello Swift Users, > > [This is a resend with smaller attachment] Has anyone had luck passing > the new '-enable-experimental-conditional-conformances' flag to Xcode? > It works when I run swift from the command line, with the Dec. 5th snapshot > toolchain, but not Xcode. I have tried whats in the screenshot below as > well as adding -Xfrontend, but I’m still getting the usual ‘extension of > protocol cannot have an inheritance clause’ error: > > Thanks for any suggestions on this, > > Matt > > > > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users > >
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