README: defer

README.md

@@ -172,7 +172,7 @@ Common Go syntax is already supported. Except for the following, which needs to
 * map (Very limited support)
 * panic (Limited support)
 * recover (Not supported yet)
-* defer (Not supported yet)
+* defer (Limited: defer in loops is not supported)
 * gc (Not supported yet)
 * chan (Not supported yet)
 * generics (Not supported yet)
@@ -182,6 +182,7 @@ Here are some examples related to Go syntax:
 * [concat](_demo/concat/concat.go): define a variadic function
 * [genints](_demo/genints/genints.go): various forms of closure usage (including C function, recv.method and anonymous function)
 * [errors](_demo/errors/errors.go): demo to implement error interface
+* [defer](_demo/defer/defer.go): defer demo
 * [goroutine](_demo/goroutine/goroutine.go): goroutine demo
 
 

_demo/defer/defer.go

@@ -0,0 +1,18 @@
+package main
+
+func f(s string) bool {
+	return len(s) > 2
+}
+
+func main() {
+	defer func() {
+		println("hi")
+	}()
+	if s := "hello"; f(s) {
+		defer println(s)
+	} else {
+		defer println("world")
+		return
+	}
+	defer println("bye")
+}