From: Joey <rubytalk@...>
Date: 2006-08-15T04:14:54+09:00
Subject: Re: Get formal parameter names of a method?

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Not that I know of but:
def install_args
  [:tool,:packaging]
end

m = Equipment.new.method(:install)
Equipment.new.method(:install_args)
#m.arity  # => 2

On 8/14/06, Jeff Cohen <cohen.jeff@gmail.com> wrote:
>
> Is there a way to reflect on a method to get the declard names of the
> parameters?
>
> class Equipment
>
> def install(tool, packaging)
> end
>
> end
>
> I can do this:
>
> m = Equipment.new.method(:install)
> m.arity  # => 2
>
> I want to somehow find out that the client code has declared the
> parameters named 'tool' and 'packaging'.
>
> Is this possible somehow?  I feel like it should be, but I can't quite
> figure it out.
>
> Thanks!
> Jeff
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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