Before moving on to initializer list examples and typical usage, let's look at what is meant by type narrowing.

在研究初始化器列表示例和典型用法之前，先讨论一下什么是类型窄化。

youdao

Can you list a few examples?

你能举几个例子吗？

youdao

Therefore, the language could not be described by a finite list of examples, but only by a set of rules, called a grammar.

因此一种语言没法被描述成于一个有限实例的列表，但是可以被描述成一个语法的集合。

youdao

Well, in giving these examples, I've already indicated at least two things that belong on the list.

在举例的过程中，我已经说明,起码有两样东西在名单上。

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However, they have also come up with a list of 20 more examples - all gathered since 25 November this year.

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There are way too many examples to list, but here are just a few: Texas, since 1893, 58%, USC, since 1888, 57%, Georgia, since 1892, 69%.

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There are numerous examples in the list of women given executive positions because their past accomplishments were noticed or given media prominence because they spoke up in some way.

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