> On Jun 6, 2017, at 6:55 AM, Ronaldo Faria Lima via swift-users > <swift-users@swift.org> wrote: > > The /perform/ method may fail if the configured class does not have it. But, > testing for the method existence by using /responds(to:)/ always return > false.
That's odd. Could you use `aClass.instancesRespond(to: sel)` instead? -- Brent Royal-Gordon Architechies
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