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Merge pull request #12 from hacknode/patch-5 

Update ch7-03.md
pull/13/head
曹春晖 2016-11-22 15:36:49 +08:00 committed by GitHub
parent 5c649d8c65 f4a21a2269
commit 3cd7b5557d
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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 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，所有也只有`*IntSet`类型实现了fmt.Stringer接口： 然而，由于只有`*IntSet`类型有String方法，所以也只有`*IntSet`类型实现了fmt.Stringer接口：
```go ```go
var _ fmt.Stringer = &s // OK var _ fmt.Stringer = &s // OK