From: Jamey Cribbs <jcribbs@...>
Date: 2006-08-02T08:12:14+09:00
Subject: Re: Sending Multiple Args to a Method Object

Harris Reynolds wrote:
> I am trying to call a method that has multiple arguments using reflection.  However, when I invoke the method.call method passing the arguments as an array it chokes with the following error:
>  
> ArgumentError (wrong number of arguments (1 for 4))
>  
> The ruby interpreter thinks that my single array is the parameter I am passing in;  however, the array I am passing in contains 4 object that map directly to the 4 arguments the interpreter is looking for.  Is there another way to accomplish this other than using method.call?  Or am I using method.call incorrectly?
>  
> What is making this more difficult is the fact that the call I am making is completely dynamic so just calling:
>  
> method_object.call arg1, arg2, arg3, arg4
>  
> is not an option.
>  
> thanks for any tips,
>   
Try:

method_object.call(*args)

with args being the name of your argument array.

Jamey