class declaration

The attributes inject a user record class declaration for you.

特性将为您插入用户记录类声明.

Implementation hierarchy works the same way in Scala: We can apply final to the method to prevent a child class from overriding it or to the class declaration itself to prevent derivatives.

实现层次结构在Scala中的效果是相同的：我们可以向方法应用final来防止子类覆盖它，也可应用于类声明本身来防止继承。

Completing the declarations of class Outer puts the declaration of the function handle in scope.

对Outer类声明的完成将函数handle的声明放在作用域中.

The interface declaration for a class must include declarations for all class members.

类在接口节中的声明必需包括其所有类成员的声明.

A delegate declaration is sufficient to define a delegate class.

一个委托声明足以定义一个委托类.