[swift mode] Drop all-rights-reserved example code

Author: marijnh

mode/swift/index.html

@@ -28,61 +28,32 @@
 <article>
 <h2>Swift mode</h2>
 <form><textarea id="code" name="code">
-//
-//  TipCalculatorModel.swift
-//  TipCalculator
-//
-//  Created by Main Account on 12/18/14.
-//  Copyright (c) 2014 Razeware LLC. All rights reserved.
-//
-
-import Foundation
-
-class TipCalculatorModel {
-
-  var total: Double
-  var taxPct: Double
-  var subtotal: Double {
-    get {
-      return total / (taxPct + 1)
-    }
-  }
-
-  init(total: Double, taxPct: Double) {
-    self.total = total
-    self.taxPct = taxPct
-  }
-
-  func calcTipWithTipPct(tipPct: Double) -> Double {
-    return subtotal * tipPct
-  }
-
-  func returnPossibleTips() -> [Int: Double] {
-
-    let possibleTipsInferred = [0.15, 0.18, 0.20]
-    let possibleTipsExplicit:[Double] = [0.15, 0.18, 0.20]
+protocol HeaderViewProtocol {
+    func setTitle(_ string: String)
+}
 
-    var retval = [Int: Double]()
-    for possibleTip in possibleTipsInferred {
-      let intPct = Int(possibleTip*100)
-      retval[intPct] = calcTipWithTipPct(possibleTip)
+struct AnyHeaderView {
+    let view: UIView
+    let headerView: HeaderViewProtocol
+    init<T: UIView>(view: T) where T: HeaderViewProtocol {
+        self.view = view
+        self.headerView = view
     }
-    return retval
+}
 
-  }
+let header = AnyHeaderView(view: myView)
+header.headerView.setTitle("hi")
 
-  func funWithStrings() {
-    var numLines = 3
-    print("This is a string!")
-    print("""
-          This is a
-          multi-line
-          string!
-          """)
-    print("The preceding string had \(numLines) lines!")
-  }
+struct HeaderView {
+    let view: UIView
+    let setTitle: (String) -> ()
+}
 
+var label = UILabel()
+let header = HeaderView(view: label) { str in
+    label.text = str
 }
+header.setTitle("hello")
 </textarea></form>
 
     <script>