Merge pull request #20 from hegdeashwin/develop

Develop

Author: Ashwin Hegde

codes/ch4_looping/break.go

@@ -0,0 +1,24 @@
+package main
+
+import "fmt";
+
+func main() {
+
+	/**
+	 * `for` loop
+	 *
+	 * for [assignment]; [conditions]; [increment/decrement] { ... }
+	 */
+	for i := 0; i < 10; i++ {
+
+		/**
+		 * loop will break; once i is greater than 4
+		 */
+		if i > 4 {
+			break;
+		}
+
+		fmt.Println("i =", i)
+	}
+
+}

codes/ch4_looping/continue.go

@@ -0,0 +1,27 @@
+package main
+
+import "fmt";
+
+func main() {
+
+	/**
+	 * `for` loop
+	 *
+	 * for [assignment]; [conditions]; [increment/decrement] { ... }
+	 */
+	for i := 0; i < 10; i++ {
+
+		/**
+		 * loop will continue; once i is greater than 5
+		 */
+		if i > 5 {
+			continue;
+		}
+
+		/**
+		 * this will get skipped once i is greate then 5;
+		 */
+		fmt.Println("i =", i)
+	}
+
+}

codes/ch4_looping/for.go

@@ -0,0 +1,16 @@
+package main
+
+import "fmt";
+
+func main() {
+
+	/**
+	 * `for` loop
+	 *
+	 * for [assignment]; [conditions]; [increment/decrement] { ... }
+	 */
+	for i := 0; i < 10; i++ {
+		fmt.Println("i =", i)
+	}
+
+}

codes/ch4_looping/range.go

@@ -0,0 +1,26 @@
+package main
+
+import "fmt";
+
+type Profile struct {
+	name string
+	role string
+}
+
+func main() {
+
+	slice := []Profile {
+		{"Ashwin", "Sr. Fullstack Engineer"},
+		{"Kumar", "Sr. Engineering Manager"},
+		{"Saju", "Sr. Solution Architect"},
+		{"Ajay", "Sr. Solution Architect"}, // comma is needed here
+	}
+
+	/**
+	 * _ is index; we are not using it; thus replacing with _
+	 */
+	for _, employee := range slice {
+		fmt.Println("Profile: " + employee.name + " (" + employee.role + ")" )
+	}
+
+}

codes/ch4_looping/while.go

@@ -0,0 +1,18 @@
+package main
+
+import "fmt";
+
+func main() {
+
+	/**
+	 * There is no while loop in Go-lang;
+	 * but we can use `for` loop to behave like `while` loop.
+	 */
+	i := 0;
+	for i < 10 {
+		fmt.Println("i =", i)
+
+		i++
+	}
+
+}