Ruby 数组限制方法

Ruby Array limit method

提问by Kieran Klaassen

I want to limit an Array object. How is this possible with ruby

我想限制一个 Array 对象。这怎么可能用红宝石

['one','two','three'].limit(2) => ['one','two']

Thanks for your quick help!

感谢您的快速帮助！

回答by Larsenal

The Array#takemethod is probably what you want.

该阵列＃采取的方法可能是你想要的东西。

['one','two','three'].take(2)

回答by rubyprince

You have Array#first:

你有Array#first：

['one','two','three'].first(2)
=> ['one', 'two']

回答by Shayne Wheeler

irb(main):001:0> [1,2,3,4,5].slice! 0,4
=> [1, 2, 3, 4]

Just another way to do it.

只是另一种方式来做到这一点。