dynamic-method-test.rb

class Greeting
  def initialize(greeting="Hello")
    @greeting = greeting
  end
  def hello(name, options={})
    puts "#{@greeting} #{name}"
  end
end
puts Greeting.new.hello("Luke")
m = Greeting.new.method(:hello)
p m.methods.sort
p m.owner
p m.name
p m.arity
p m.parameters
m.call("Dave")