RubyMonk - Interactive ruby tutorials to learn RubyBlocks in Ruby have had a rather complicated history, which means that the terminology gets weird, and there are a small handful of edge-cases that you should be aware of. I've already mentioned how Proc, Block and Lambda are often used interchangeably in Ruby and this is fine most of the time. Let’s try to understand what each term actually means, and what the differences between them are, if any
