How to Parse Arguments in Your Ruby C Extension
Ruby is a wonderful language, made for humans first and machines second. It is easy to read and write. There are plenty of ways to write anything, and you can often guess its standard library by typing the name of the method you would have chosen yourself. Because of this, Ruby's arguments are very flexible, which lets us express our APIs very clearly. But this comes with a drawback: Ruby is quite hard to parse for C extension developers!