ruby
puts ((6<<29)%3)
#=>0
puts Array.new.size
#=>0
puts [].sum
#=>0
参考
https://docs.ruby-lang.org/ja/latest/method/Array/i/sum.html
More than 5 years have passed since last update.
puts ((6<<29)%3)
#=>0
puts Array.new.size
#=>0
puts [].sum
#=>0
参考
https://docs.ruby-lang.org/ja/latest/method/Array/i/sum.html
Register as a new user and use Qiita more conveniently