Even as such, using full words is barely any more typing, and more readable. [1, 2, 3].each { |value| puts value } Object.methods.each { |method| "Method i

Even as such, using full words is barely any more typing, and more readable. [1, 2, 3].each { |value| puts value } Object.methods.each { |method| "Method is: #{method}" } I consider that a better habit to have than using single-character variables. And style guides should be about encouraging the best habits possible.