From 7f22e3dc35e033c24b42a6a83f336a49cf1aea40 Mon Sep 17 00:00:00 2001
From: cleversonzanon <cleverson.ss1008@yahoo.com.br>
Date: Fri, 28 Jul 2017 17:51:16 -0300
Subject: [PATCH] Destructuring Declarations in Kotlin - Cleverson Zanon |
 cleverson.ssantos1008@gmail.com (#2318)

* Different Types of Bean Injection in Spring code

* Dataclasses in Kotlin

* Revert "Different Types of Bean Injection in Spring code"

This reverts commit 4b747726b93a9f6bf76d6518792fc77e0d5c2fc9.

* Destructuring Declarations in Kotlin

* Corrections on Destructuring Declarations in Kotlin
---
 .../destructuringdeclarations/Sandbox.kt      | 21 +++++--------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/kotlin/src/main/kotlin/com/baeldung/destructuringdeclarations/Sandbox.kt b/kotlin/src/main/kotlin/com/baeldung/destructuringdeclarations/Sandbox.kt
index 87775f9378..a5018d93c8 100644
--- a/kotlin/src/main/kotlin/com/baeldung/destructuringdeclarations/Sandbox.kt
+++ b/kotlin/src/main/kotlin/com/baeldung/destructuringdeclarations/Sandbox.kt
@@ -1,11 +1,10 @@
 package com.baeldung.destructuringdeclarations
 
 import com.baeldung.destructuringdeclarations.Person
-import com.baeldung.destructuringdeclarations.Result
 
 fun main(args: Array<String>) {
 
-    //2.1. Objects
+        //2.1. Objects
     val person = Person(1, "Jon Snow", 20)
     val(id, name, age) = person
 
@@ -13,20 +12,15 @@ fun main(args: Array<String>) {
     println(name)   //Jon Snow
     println(age)    //20
 
-    //The equivalent of line 10
-/*  val id = person.component1();
-    val name = person.component2();
-    val age = person.component3();*/
-
     //2.2. Functions
     fun getPersonInfo() = Person(2, "Ned Stark", 45)
     val(idf, namef, agef) = getPersonInfo()
 
-    fun twoValuesReturn(): Result {
+    fun twoValuesReturn(): Pair<Int, String> {
 
         // needed code
 
-        return Result(1, "success")
+        return Pair(1, "success")
     }
 
     // Now, to use this function:
@@ -41,15 +35,10 @@ fun main(args: Array<String>) {
     }
 
     //2.4. Underscore and Destructuring in Lambdas
-    val (_, status2) = twoValuesReturn()
+    val (_, name2, age2) = person
+    val (id3, name3) = person
 
     map.mapValues { entry -> "${entry.value}!" }
     map.mapValues { (key, value) -> "$value!" }
 
-    //A pair of parameters vs. a destructuring pair
-/*  { a -> ... } // one parameter
-    { a, b -> ... } // two parameters
-    { (a, b) -> ... } // a destructured pair
-    { (a, b), c -> ... } // a destructured pair and another parameter*/
-
 }
\ No newline at end of file