http://snippets.dzone.com/posts Fri, 29 Aug 2008 23:06:03 GMT DZone Snippets: map code http://snippets.dzone.com/posts/show/5119 // This code is similar to Enumerable#map, but like each_with_index, it also yields the index of the current element. <br /> <br /><code> <br />class Array <br /> def map_with_index! <br /> each_with_index do |e, idx| self[idx] = yield(e, idx); end <br /> end <br /> <br /> def map_with_index(&block) <br /> dup.map_with_index!(&block) <br /> end <br />end <br /></code> Fri, 08 Feb 2008 10:29:44 GMT http://snippets.dzone.com/posts/show/5119 vinterbleg (Simon Ask Ulsnes)