array和defer

bilibili/aceid/array/test1/test.go

@@ -0,0 +1,42 @@
+package main
+
+import "fmt"
+
+func printArray(myArray [4]int) {
+	for index, value := range myArray {
+		fmt.Println("index = ", index, ", value = ", value)
+	}
+}
+
+func printArray2(myArray []int) {
+	for _, value := range myArray {
+		fmt.Println("value = ", value)
+	}
+}
+
+func main() {
+	var myArray1 [10]int
+	fmt.Println(myArray1)
+	for i := 0; i < len(myArray1); i++ {
+		fmt.Println(myArray1[i])
+	}
+
+	myArray2 := [10]int{1, 2, 3, 4}
+	for index, value := range myArray2 {
+		fmt.Println("index = ", index, ", value = ", value)
+	}
+
+	myArray3 := [4]int{11, 22, 33, 44}
+
+	fmt.Printf("myArray1 type is %T\n", myArray1)
+	fmt.Printf("myArray2 type is %T\n", myArray2)
+	fmt.Printf("myArray3 type is %T\n", myArray3)
+
+	// printArray(myArray2)
+	printArray(myArray3)
+
+	myArray := []int{1, 2, 3, 4}
+	fmt.Printf("myArray type is %T\n", myArray)
+
+	printArray2(myArray)
+}

bilibili/aceid/defer/test1/test.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+func main() {
+	defer fmt.Println("main end1")
+	defer fmt.Println("main end2")
+
+	fmt.Println("main::hello go 1")
+	fmt.Println("main::hello go 2")
+}

bilibili/aceid/defer/test2/test.go

@@ -0,0 +1,21 @@
+package main
+
+import "fmt"
+
+func func1() {
+	fmt.Println("A")
+}
+
+func func2() {
+	fmt.Println("B")
+}
+
+func func3() {
+	fmt.Println("C")
+}
+
+func main() {
+	defer func1()
+	defer func2()
+	defer func3()
+}

bilibili/aceid/defer/test3/test.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+func deferFunc() int {
+	fmt.Println("defer func called ...")
+	return 0
+}
+
+func returnFunc() int {
+	fmt.Println("return func called ...")
+	return 0
+}
+
+func returnAndDefer() int {
+	defer deferFunc()
+	return returnFunc()
+}
+
+func main() {
+	returnAndDefer()
+}