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Comment by clyfe | Hacker News Reader

Ruby can use both "{...}" and "do ... end", with a slight difference between the two (precedence):

    def some_method { ... }
    def some_method do ... end

I don't believe the second one works. Usually you'd define a method using:

  def some_method
    # do something
  end

Usually you'll only use do after a method that's already defined, in order to pass a block of code to it.

You are correct:

    ruby-1.9.2-p0 > def something; "hey" end
     => nil 
    ruby-1.9.2-p0 > something
     => "hey"

Adding the do makes it not work. def doesn't have a do.