Takaaki Tateishi <ttate / kt.jaist.ac.jp> wrote: > I proposed a method like str1.include?(str2,beg,n), which means that > str1[beg,n] is equal to str2[0,n]. > If we write "str1[beg,n] == str2[0,n]", we extract sub-strings and > new objects are created. I think this brings much cost when we want to > repeat to compare two sub-strings whereas we don't need new sub-strings. Ah, okay, I see. I can think of places this would have been useful - have any other names been proposed? How about String#at?(beg, n, str)? martin