haosharon/6006psets_ng — comment on commit e8ada5e5cb46149b4df2a92ef3a0d791acdab9a5
File: 5/code/rsa/ks_primitives_unchecked.rb line 203
By pwnall:

The return keyword is redundant.

Also, you don't need to define all the comparisons, you only need to define the spaceship operator (<=>) and you get everything else for free.