Such functions are called "pure" because they do not attempt to change their inputs, and always return the same result for the same inputs.

像这样的函数，我们称为纯函数，因为他们不要视图改变他们的输入，并且总是返回同样的输出通过输入同样的参数。

youdao

Such functions are called "pure" because they do not attempt to change their inputs, and always return the same result for the same inputs.

像这样的函数，我们称为纯函数，因为他们不要视图改变他们的输入，并且总是返回同样的输出通过输入同样的参数。

youdao