22 Feb '12, 3pm

Shades of Gray: eval() Isn't Quite Pure Evil:

James Edward Gray II added 2 days later: I'm happy to explain the required parentheses, yes. super is one of those magical keywords in Ruby. It often looks like a normal method call, but it has a little magic involved. When you call super without any parentheses, it invokes a method of the same name higher in the call chain passing the same arguments that the method which invoked super received. That's the magic. You can choose to specify the arguments yourself, with or without parentheses, overriding the magical behavior. The default for a bare call though is the magic. eval() can define normal Ruby methods, which is how I used it in my example. Because of that, you get all the normal magic and super works the same. In my example, the super 's forward all arguments up the call chain. There just don't happen to be any arguments to forward. As I hinted at in the article tho...

Full article: http://blog.grayproductions.net/articles/eval_isnt_quite_...

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