>> for i in [1] >> puts i >> end.any? or puts "empty!" 1 => true >> for i in [ ] >> puts i >> end.any? or puts "empty!" empty! => nil
short circuit evaluation is not intutitive? try this.
>> class Array >> alias :__empty? :empty? >> def empty? >> yield if __empty? and block_given? >> __empty? >> end >> end => nil >> for i in [1] >> puts i >> end.empty? { puts "empty!" } 1 => false >> for i in [ ] >> puts i >> end.empty? { puts "empty!" } empty! => true
