csail/6006psets_ng — comment on commit 837c03ca86177f4d55790c7444d0b32e98b2b026
File: 5/code/rsa/big_num.rb line 110
By pwnall:

I think + is executed often enough that it's worth it to expand max.

`(@d.length >= other.d.length) ? @d.length : other.d.length`