chore: 添加Playground 失败

Playground.playground/Contents.swift

@@ -0,0 +1,26 @@
+//: A UIKit based Playground for presenting user interface
+  
+import UIKit
+import PlaygroundSupport
+import YogaKit
+
+let globalConfig: YGConfigRef = YGConfigNew()
+var node:YGNodeRef = YGNodeNewWithConfig(globalConfig)
+
+
+class MyViewController : UIViewController {
+    override func loadView() {
+        let view = UIView()
+        view.backgroundColor = .white
+
+        let label = UILabel()
+        label.frame = CGRect(x: 150, y: 200, width: 200, height: 20)
+        label.text = "Hello World!"
+        label.textColor = .black
+        
+        view.addSubview(label)
+        self.view = view
+    }
+}
+// Present the view controller in the Live View window
+PlaygroundPage.current.liveView = MyViewController()

Playground.playground/contents.xcplayground

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='ios' executeOnSourceChanges='true'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>