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Correct zh-cn 'future' section #718

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Merged
merged 2 commits into from
Mar 7, 2017
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Correct zh-cn 'future' section #718

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Merge remote-tracking branch 'scala/master'
Mar 1, 2017
30bd02f
Correct zh-cn 'future' section
Mar 1, 2017
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4 changes: 2 additions & 2 deletions zh-cn/overviews/core/futures.md
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Expand Up @@ -42,7 +42,7 @@ Future的一个重要属性在于它只能被赋值一次。一旦给定了某
import ExecutionContext.Implicits.global

val session = socialNetwork.createSessionFor("user", credentials)
val session = socialNetwork.createSessionFor("user", credentials)
val f: Future[List[Friend]] = Future {
session.getFriends()
}

Expand All @@ -55,7 +55,7 @@ Future的一个重要属性在于它只能被赋值一次。一旦给定了某
未成功的尝试可能会导致一个异常(exception)。在下面的例子中，session的值未被正确的初始化，于是在future的计算中将抛出NullPointerException，future f 不会圆满完成，而是以此异常失败。

val session = null
val session = socialNetwork.createSessionFor("user", credentials)
val f: Future[List[Friend]] = Future {
session.getFriends
}

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