> The author magnificently understates how useful closures can be. I didn't see a reference to closures in the article. I know you probably know this but firs

> The author magnificently understates how useful closures can be. I didn't see a reference to closures in the article. I know you probably know this but first class functions aren't closures. The wikipedia article for them doesn't even mention closures: http://en.wikipedia.org/wiki/First-class_function http://en.wikipedia.org/wiki/First-class_function