Type hinting, therefore, makes for safer code.
因此，类型提示使得代码更安全。
You can check them with type hinting and instanceof tests.
可以用类型提示和instance of测试来检查它们。
What would really help here is some type hinting in the add method signature.
此处真正有用的是add方法签名中的一些类型提示。
Let's start by taking a look at object types and the benefits of type hinting.
首先介绍一下对象类型和类型提示的优点。
Let's start by taking a look at object types and the benefits of type hinting.
首先介绍一下对象类型和类型提示的优点。
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