Merge pull request mouredev#4597 from allbertoMD/Reto-#24

#24-Swift

Author: Roswell468

Roadmap/24 - DECORADORES/swift/allbertoMD.swift

@@ -0,0 +1,78 @@
+import Foundation
+
+
+func greet() {
+    print("Hola, Mundo!")
+}
+
+// Decorador
+func decorateGreet(originalFunction: @escaping () -> Void) -> () -> Void {
+    return {
+        print("Iniciando Saludo")
+        originalFunction()
+        print("Saludo Finalizado\n")
+    }
+}
+
+// Usando el decorador
+let decoratedGreet = decorateGreet(originalFunction: greet)
+decoratedGreet()
+
+
+func add(a: Int, b: Int) -> Int {
+    return a + b
+}
+
+// Decorador
+func decorateAdd(originalFunction: @escaping (Int, Int) -> Int) -> (Int, Int) -> Int {
+    return { a, b in
+        print("Sumando \(a) and \(b)")
+        let result = originalFunction(a, b)
+        print("El Resultado Es: \(result)")
+        return result
+    }
+}
+
+// Usando el decorador
+let decoratedAdd = decorateAdd(originalFunction: add)
+let result = decoratedAdd(3, 4)
+print("Resultado Final: \(result)\n")
+
+
+
+
+// DIFICULTAD EXTRA
+print("\nDificultad Extra\n")
+
+
+func sayHi(to personName: String) {
+    print("Hola, \(personName)")
+}
+
+
+func decorateSayHi(originFunction: @escaping (String) -> Void) -> (String) -> Void {
+    var callCount = 0
+
+    return { personName in
+        originFunction(personName)
+        callCount += 1
+        
+        if callCount < 2 {
+            print("Función ejecutada \(callCount) vez.\n")
+        } else {
+            print("Función ejecutada \(callCount) veces.\n")
+        }
+        
+    }
+}
+
+let decoratedSayHi = decorateSayHi(originFunction: sayHi)
+decoratedSayHi("Sergio")
+decoratedSayHi("Alberto")
+decoratedSayHi("Arturo")
+decoratedSayHi("Angeles")
+decoratedSayHi("Yaiza")
+decoratedSayHi("Carmen")
+
+
+