Turning 'p' into a method that can be run on any object.

gistfile1.rb

[1] pry(main)> module Kernel; alias old_p p; def p(*args); if args.any?; old_p(*args.dup); else; old_p(self); end; nil; end; end
=> nil
[2] pry(main)> p [1,2,3]                                                                  
[1, 2, 3]
=> nil
[3] pry(main)> [1,2,3].each(&:p)                                                          
1
2
3
=> [1, 2, 3]
[4] pry(main)> [1,2,3].p                                                                  
[1, 2, 3]
=> nil
[5] pry(main)>