adds user-defined-types eg

Author: hegdeashwin

codes/session-1/user-defined-types.go

@@ -0,0 +1,51 @@
+package main
+
+import "fmt"
+
+/**
+ * User defined type customString act as string type
+ */
+type customString string
+
+/**
+ * User defined type userInfo act as struct type
+ */
+type userInfo struct {
+	name string
+	greeting string
+}
+
+func main() {
+
+	/**
+	 * Use customString as type
+	 */
+	var message customString = "Hello World!"
+	fmt.Println(message)
+
+	/**
+	 * 1 way: Assign values to userInfo struct
+	 */
+	var defaults = userInfo{};
+	defaults.name = "Unknown"
+	defaults.greeting = "Welcome"
+
+	fmt.Println(defaults.name)
+	fmt.Println(defaults.greeting)
+
+	/**
+	 * 2 way: Assign values to userInfo struct; Go by order
+	 */
+	var facebookProfile = userInfo{"Ashwin", "Hello!"}
+
+	fmt.Println(facebookProfile.name)
+	fmt.Println(facebookProfile.greeting)
+
+	/**
+	 * 3 way: Assign values to userInfo struct; Go by member name
+	 */
+	var linkedinProfile = userInfo{greeting: "Hello Go!", name: "Ashwin Hegde"}
+
+	fmt.Println(linkedinProfile.name)
+	fmt.Println(linkedinProfile.greeting)
+}