reorganize: starting with funcs

26-pointers/01-pointers/main.go

@@ -0,0 +1,39 @@
+// 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/
+//
+
+package main
+
+import "fmt"
+
+func main() {
+	var counter byte = 100
+	P := &counter
+	V := *P
+
+	fmt.Printf("counter : %-16d address: %-16p\n", counter, &counter)
+	fmt.Printf("P       : %-16p address: %-16p *P: %-16d\n", P, &P, *P)
+	fmt.Printf("V       : %-16d address: %-16p\n", V, &V)
+
+	V = 200
+	fmt.Println()
+	fmt.Printf("counter : %-16d address: %-16p\n", counter, &counter)
+	fmt.Printf("P       : %-16p address: %-16p *P: %-16d\n", P, &P, *P)
+	fmt.Printf("V       : %-16d address: %-16p\n", V, &V)
+
+	V = counter // reset the V to counter's initial value
+	counter++
+	fmt.Println()
+	fmt.Printf("counter : %-16d address: %-16p\n", counter, &counter)
+	fmt.Printf("P       : %-16p address: %-16p *P: %-16d\n", P, &P, *P)
+	fmt.Printf("V       : %-16d address: %-16p\n", V, &V)
+
+	*P = 25
+	fmt.Println()
+	fmt.Printf("counter : %-16d address: %-16p\n", counter, &counter)
+	fmt.Printf("P       : %-16p address: %-16p *P: %-16d\n", P, &P, *P)
+	fmt.Printf("V       : %-16d address: %-16p\n", V, &V)
+}