more

25-defer.go

@@ -0,0 +1,16 @@
+package main
+
+import "fmt"
+
+func first() {
+    fmt.Println("1st")
+}
+
+func second() {
+    fmt.Println("2nd")
+}
+
+func main() {
+    defer second()
+    first()
+}

26-panic.go

@@ -0,0 +1,8 @@
+package main
+
+import "fmt"
+
+func main() {
+	panic("O noes")
+	fmt.Println("Finished")
+}

27-recover.go

@@ -0,0 +1,10 @@
+package main
+
+import "fmt"
+
+func main() {
+    defer func() {    
+        fmt.Println("Preparing for trouble...\n")
+    }()
+    panic("Trouble!")
+}

28-values.go

@@ -0,0 +1,13 @@
+package main
+
+import "fmt"
+
+func zero(x int) {
+    x = 0
+}
+
+func main() {
+    x := 5
+    zero(x)
+    fmt.Println(x)
+}

29-pointers.go

@@ -0,0 +1,14 @@
+package main
+
+import "fmt"
+
+func zero(xPtr *int) {
+    *xPtr = 0
+}
+
+func main() {
+    x := 5
+    fmt.Println(x)
+    zero(&x)
+    fmt.Println(x)
+}