fastlane 을 잘 이해하기 위해 루비를 배워보는 것이 효율적인 접근이었을까?
루비의 역사♦️
무언가 새로운 것을 배우고 싶었다.
irb
Methods may have exclamations (and also question marks) in their name. These are just there to better explain what their function is. No big deal.
Search and change strings
Chaining methods lets you get a lot more done. Break up a poem, reverse it, reassemble it: poem.lines.reverse.join
At this point, you may want to tinker with the poem a bit more. A complete list of all the String methods is here.
Go ahead and try a few, such as: poem.downcase or poem.swapcase