ruby metaprogramming - getting method names and parameter info for a class -

i want class methods in object. please see following example have class "user.rb"

class user   def say_name    end    def walk(p1)    end    def run(p1, p2)    end end

and wrote following code

require 'user.rb'  = user.new  arr = a.public_methods(all = false)

above code return method name, question want method name parameters

def def run(p1, p2)  end

i want method name ("run") , parameter names (p1, p2) or parameter count (2)

can me, in advance

cheers

sameera

user.new.method(:run).arity   # => 2

ERT