Scala regards a method with the equals sign before the body as a function definition and a function always returns a value in functional programming.

Scala把主体之前的部分包含等于号作为函数定义，而一个函数在函数式编程中永远都有返回值。

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Scala regards a method with the equals sign before the body as a function definition and a function always returns a value in functional programming.

Scala把主体之前的部分包含等于号作为函数定义，而一个函数在函数式编程中永远都有返回值。

youdao