[英]How to pass &:key as an argument to map instead of a block with ruby?
I wrote this code: 我写了这段代码:
my.objects.map { |object| object.key }
My rubocop said: 我的rubocop说:
Pass &:key as an argument to map instead of a block.
Is there a short way to do the same thing? 有没有简短的方法来做同样的事情?
Pass &:key as an argument to map instead of a block 传递&:键作为映射而不是块的参数
means: 手段:
my.objects.map(&:key)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.