Merge pull request #12 from hacknode/patch-5

Update ch7-03.md
This commit is contained in:
曹春晖
2016-11-22 15:36:49 +08:00
committed by GitHub
+1 -1
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@@ -41,7 +41,7 @@ var s IntSet
var _ = s.String() // OK: s is a variable and &s has a String method
```
然而,由于只有`*IntSet`类型有String方法,所也只有`*IntSet`类型实现了fmt.Stringer接口:
然而,由于只有`*IntSet`类型有String方法,所也只有`*IntSet`类型实现了fmt.Stringer接口:
```go
var _ fmt.Stringer = &s // OK