A-M baby

Task/Flow-control-structures/Go/flow-control-structures-2.go

@@ -0,0 +1,18 @@
+import "os"
+
+func processFile() {
+    f, err := os.Open("file")
+    if err != nil {
+        // (probably do something with the error)
+        return // no need to close file, it didn't open
+    }
+    defer f.Close() // file is open.  no matter what, close it on return
+    var lucky bool
+    // some processing
+    if (lucky) {
+        // f.Close() will get called here
+        return
+    }
+    // more processing
+    // f.Close() will get called here too
+}