Code Readability - Rogues Panel - dbrady LSRC 2013

As part of the Ruby Rogues panel at LoneStar RubyConf 2013, I used my three minutes of podium time to just beg people to write code other people can read.

Transcript

1. sum = [1,2,3].inject :+
2. sum = [1,2,3].sum
3. module Enumerable def sum inject :+ end end
4. /lib/patches/enumerable/sum.rb
5. def sell_sandwich(sandwich, bread, mayo, vending_machine) unless sandwich.has? :bread ... end unless sandwich.has? :mayo ... end unless vending_machine.include? sandwich ... end end
6. unless sandwich.in? vending_machine ... end
7. Object.in?(collection) collection.include? self end
8. class User has_and_belongs_to_many :groups end # contacts you can send messages to: user.groups.map(&:users).flatten.uniq
9. class User def all_users_in_groups_this_user_is_a_member_of user.groups.map(&:users).flatten.uniq end end
10. class User def peers user... end end