Feature #2946: Apparently inconsistent zip of Range http://redmine.ruby-lang.org/issues/show/2946 Author: Brian Candler Status: Open, Priority: Low You can zip an Array onto a Range, but not a Range onto an Array. >> RUBY_DESCRIPTION => "ruby 1.8.7 (2009-06-12 patchlevel 174) [x86_64-linux]" >> (9..12).zip([1,2,3,4]) => [[9, 1], [10, 2], [11, 3], [12, 4]] >> [1,2,3,4].zip(5..8) TypeError: can't convert Range into Array from (irb):6:in `zip' from (irb):6 from :0 Wonder if zip should call #to_a on its argument? >> (5..8).to_a => [5, 6, 7, 8] ---------------------------------------- http://redmine.ruby-lang.org