christy13/6006psets_ng — comment on commit 64b493a565eb396b6bcf162401f61c1c4137f13d
File: 5/code/rsa/big_num_full.rb line 184
By pwnall:

Nope. The reason we can leave out `return` most of the time is that a function returns the result of the last expression that was evaluated inside it.