From: Sean O'Halpin <sean.ohalpin@...>
Date: 2009-02-22T03:42:23+09:00
Subject: Re: How to call a module method dynamically

On Sat, Feb 21, 2009 at 4:58 PM, Adrian Klingel
<adrian.klingel@illumaware.com> wrote:
> I know about object instantiation and the send method, but the methods I
> want to call are not in a class.  They live in a module.
>
> module Foo
>
>  module Bar
>
>    def mymethod
>      "xyz"
>    end
>
>  end
>
> end
>
>
> I can call it statically, like:
>
> myvar = Foo::Bar::xyz
>

Can you? I get:

irb --> myvar = Foo::Bar::xyz
NoMethodError: undefined method `xyz' for Foo::Bar:Module

Perhaps you meant:

module Foo
  module Bar
    def self.mymethod
      "xyz"
    end
  end
end

myvar = Foo::Bar::mymethod      # => "xyz"

> But how can I call it dynamically.

myvar = Foo::Bar.send("mymethod") # => "xyz"

Regards,
Sean