Returns an array of method arguments and their default values Example:

class Example
  def hello(one,two="two",three)
  end

  def goodbye
  end
end

Example.instance_method(:hello).get_args    #=> [[:one], [:two, "two"], [:three, "three"]]
Example.instance_method(:goodbye).get_args  #=> nil

Source Code

# File merb/core_ext/get_args.rb, line 60
def get_args
  klass, meth = self.to_s.split(/ /).to_a[1][0..-2].split("#")
  # Remove stupidity for #<Method: Class(Object)#foo>
  klass = $` if klass =~ /\(/
  ParseTreeArray.translate(Object.const_get(klass), meth).get_args
end