8000 Merge pull request #1 from zhangchuanben/zhangchuanben-patch-1 · zhangchuanben/docs.scala-lang@dc92073 · GitHub
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Merge pull request #1 from zhangchuanben/zhangchuanben-patch-1
Update traits.md
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‎_zh-cn/tour/traits.md

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@@ -57,8 +57,8 @@ class IntIterator(to: Int) extends Iterator[Int] {
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val iterator = new IntIterator(10)
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iterator.next() // returns 0
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iterator.next() // returns 1
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iterator.next() // returns 2
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```
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这个类 `IntIterator` 将参数 `to` 作为上限。它扩展了 `Iterator [Int]`，这意味着方法 `next` 必须返回一个Int。
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