Ruby Rogues
The Hidden Gems of Ruby - RUBY 651
Valentino Stoll
Sure. I know a couple. I mean, a lot of these are brand new, like in Rails 3. But there was just merged a pry-like ls command. So you can basically list all the methods on a particular object. as an example. I imagine the next step to that would be the cd command to pry, where you can basically move into the object.
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