From: Stefano Crocco <stefano.crocco@...>
Date: 2007-04-17T06:16:01+09:00
Subject: Re: iterate through an array of method names to an object

Alle luned狸 16 aprile 2007, Skye Weir-mathewes ha scritto:
> I've been trying to create a iterator that will run through and array of
> method names, sending each one to an object. For some reason the object
> doesn't like the method names if I send them via an iterator, but if I
> spell each one out, it works fine. When I try to use the iterator I get
> and error indicating that ruby doesn't think my method names actually
> name a method.
>
> Here's some of my code:
>
> functions = ["addHeadersAndFooters", "addListNameToSubject", "admin",
> "allowCrossPosting ", "allowDuplicatePosts ", "allowInfo ",
> "anyoneCanPost "]
>
>   functions.each do |funk|
>     puts name_o_my_object.funk
>   end
>
> gives me the following error:
>
> undefined method `funk' for #<SOAP::Mapping::Object:0x5585bd8>
> (NoMethodError)
>
> but if I write somthing like:
>
>   functions.each do |funk|
>     puts name_o_my_object.addHeadersAndFooters
>   end
>
> the iterator works fine, so... what's up with that?

In the first case, you write name_o_my_object.funk. In this case, ruby tries 
to call a method called funk on the object name_o_my_object. What you need to 
do is:

puts name_o_my_object.send(funk)

I hope this helps

Stefano