When showing off cool features of Ruby to the uninitiated (or to a language sparring partner), the excited Rubyist often shows off Ruby's "powerful block syntax". Unfortunately, the Rubyist uses "powerful block syntax" as shorthand for a number of features that the Pythonista or Javaist simply has no context for. To start, we usually point at Rake, Rspec or Sinatra as examples of awesome usage of
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