Using Xcode Playground captureValue()
问题 I'm using Playgrounds in Xcode 7.1 (beta 3) but having trouble with the captureValue() function: captureValue:withIdentifier: Captures a value to be displayed with the specified identifier in the timeline. Declaration public func captureValue(value: T, withIdentifier identifier: String) — Apple Developer Site When I call the function, all I get is this: How do I use captureValue? Or is this a bug in beta 3? 回答1: captureValue() displays the value you capture in the Timeline, which is a