Ruby Ruby 将引入 ".?" Safe navigation operator
Matz 已经同意了引入 ".?" 作为 Safe navigation operator
u = User.find(id)
if u && u.profile && u.profile.thumbnails && u.profiles.thumbnails.large
将可以简化为:
u.?profile.?thumbnails.?large
省了好多敲击 LOL
https://bugs.ruby-lang.org/issues/11537?utm_source=rubyweekly&utm_medium=email