ch5-05 done

This commit is contained in:
D 2016-01-06 19:36:02 +08:00
parent 671d8346ca
commit 8a37694fae

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@ -119,6 +119,7 @@ $ ./outline2 http://gopl.io
```Go
func ElementByID(doc *html.Node, id string) *html.Node
```
練習 **5.9** :編寫函數 expand,將s中的"foo"替換爲f("foo")的返迴值。
```go