I've been programming for a long time, but if it's undocumented I don't use it, period. It takes too much time, gets too buggy, and I can just write it myself a

I've been programming for a long time, but if it's undocumented I don't use it, period. It takes too much time, gets too buggy, and I can just write it myself and understand it completely (and document it as I go).