From: John Joyce Date: 2008-03-17T04:53:31+09:00 Subject: Re: argh! more undocumented mysteries: to_yaml One last tip... with many libraries, you will want to browse the library and its files themselves. Sometimes, especially in the beginning, this can be overwhelming, since some libraries have certainly been refined by multiple people over many years. But generally, digging through the source of many libraries can lead you to insights on working with Ruby itself, and sometimes is all the documentation you get ...