Section10-82

Section10/81.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func main() {
+	numbers := []int{2, 3}
+
+	numbers = append(numbers, 10)
+	fmt.Println(numbers)
+
+	numbers = append(numbers, 20, 30, 40)
+	fmt.Println(numbers)
+
+	n := []int{100, 200}
+	numbers = append(numbers, n...)
+	fmt.Println(numbers)
+
+	src := []int{10, 20, 30}
+	dst := make([]int, len(src))
+	nn := copy(dst, src)
+	fmt.Println(src, dst, nn)
+}

Section10/82.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func main() {
+	a := [5]int{1, 2, 3, 4, 5}
+	b := a[1:3]
+	fmt.Printf("%v, %T\n", b, b)
+
+	s1 := []int{1, 2, 3, 4, 5, 6}
+	s2 := s1[1:3]
+	fmt.Println(s2)
+	fmt.Println(s1[2:])
+	fmt.Println(s1[:3])
+	fmt.Println(s1[:])
+
+	s1 = append(s1[:4], 100)
+	fmt.Println(s1)
+
+	s1 = append(s1[:4], 200)
+	fmt.Println(s1)
+}