add: quiz and exercises to pointers

26-pointers/exercises/01-basics/main.go

@@ -0,0 +1,59 @@
+// For more tutorials: https://blog.learngoprogramming.com
+//
+// Copyright © 2018 Inanc Gumus
+// Learn Go Programming Course
+// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
+//
+
+// ---------------------------------------------------------
+// EXERCISE: Basics
+//
+//  Let's warm up with the pointer basics. Please follow the
+//  instructions inside the code. Run the solution to see
+//  its output if you need to.
+// ---------------------------------------------------------
+
+package main
+
+type computer struct {
+	brand string
+}
+
+func main() {
+	// create a nil pointer with the type of pointer to a computer
+
+	// compare the pointer variable to a nil value, and say it's nil
+
+	// create an apple computer by putting its address to a pointer variable
+
+	// put the apple into a new pointer variable
+
+	// compare the apples: if they are equal say so and print their addresses
+
+	// create a sony computer by putting its address to a new pointer variable
+
+	// compare apple to sony, if they are not equal say so and print their
+	// addresses
+
+	// put apple's value into a new ordinary variable
+
+	// print apple pointer variable's address, and the address it points to
+	// and, print the new variable's addresses as well
+
+	// compare the value that is pointed by the apple and the new variable
+	// if they are equal say so
+
+	// print the values:
+	// the value that is pointed by the apple and the new variable
+
+	// create a new function: change
+	// the func can change the given computer's brand to another brand
+
+	// change sony's brand to hp using the func — print sony's brand
+
+	// write a func that returns the value that is pointed by the given *computer
+	// print the returned value
+
+	// write a new constructor func that returns a pointer to a computer
+	// and call the func 3 times and print the returned values' addresses
+}