# code: http://golf.shinh.org/reveal.rb?Pragraph+counter/tails_1645663218&nbb
# target Nibbles version: 0.25
# commenter version: 0.1.2.181

, #(length):int 
    | #(filter):[chr] 
        ;;@ #(= sndLine):[chr] 
        #(implicit arg = A):chr <--arg( A:chr )