1.week和1.weeks是否有区别？

Question

1.week和1.weeks之间有区别还是他们是同义词？

Answer 1

从Rails docs：

week()

别名：weeks

---

weeks()

返回时间实例匹配提供的周数。

2.weeks # => 2 weeks 

别名为：week

Answer 2

他们是同义词：

> 1.week == 1.weeks 
=> true          
> 42.week == 42.weeks 
=> true          

Answer 3

week只是an alias为weeks。