From: Ian Leitch <port001@...>
Date: 2007-09-14T00:04:55+09:00
Subject: Closures defined inside a class method

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This is just weird...

class ClassA
  def self.func1
    def func2
      puts "In func2"
    end
    func2
  end
end

> ClassA.func1
=> NameError: undefined local variable or method `func2' for ClassA:Class

I can call other class methods without explicitly referencing the class
first due to the fact the call is made in class scope, so why can't I define
a method in class scope without explicitly prefixing it with 'self'?

Also...

class ClassB
  def self.func1
    def func2
      puts "In func2"
    end
  end
end

> a = ClassB.new
> a.func2
=> "In func2"

func2 looks as though it's defined as a closure inside class scope func1
(though it isn't ^^^^), yet I can call it on an instance of the class?

Someone please explain!

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