Ders 37

Author: ArinSoftware

37_pointers/main.go

@@ -0,0 +1,67 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	//name := "arin"
+
+	/* 	   	fmt.Println(name)
+	   	   	fmt.Println(&name) */ // & --> address operator
+
+	/* 	fmt.Println(x)
+	   	fmt.Println(&x)
+
+	   	fmt.Println()
+
+	   	fmt.Printf("%T, %v\n", x, x)
+	   	fmt.Printf("%T, %v\n", &x, &x) */
+
+	/* 	y := &x
+	   	fmt.Printf("%T, %v\n", y, y)
+
+	   	z := &name
+	   	fmt.Printf("%T, %v\n", z, z) */
+
+	/* 	x := 22 */
+	/* 	fmt.Println(x)        // 22
+	   	fmt.Println(&x)       // 22 nin adresi &x ---> *int
+	   	fmt.Println(*(&x))    // dereferencing
+	   	fmt.Println(&(*(&x))) // * --->> ilgili adresteki değeri gösteriri
+	   	fmt.Println(*(&(*(&x))))
+
+		   fmt.Println(3 * 5) */
+
+	/* 	x1 := 10
+	   	x2 := x1
+	   	fmt.Println(x1, x2)
+	   	x1 = 5
+	   	fmt.Println(x1, x2) */
+
+	/* 	x1 := 10
+	   	x2 := &x1
+	   	fmt.Println(x1, x2)
+	   	fmt.Println(x1, *x2)
+
+	   	*x2 = 3
+
+	   	fmt.Println(x1, *x2)
+
+	   	x3 := &x1
+
+	   	*x3 = 5
+
+	   	fmt.Println(x1, *x2, *x3) */
+
+	// x1 := [4]int{1, 10, 100, 1000}  // array pass by value
+
+	x1 := []int{1, 10, 100, 1000}
+	x2 := x1
+
+	fmt.Println(x1, x2)
+
+	x2[0] = 3
+	fmt.Println(x2)
+	fmt.Println(x1) // slice pass by reference
+
+}