From: Rob Biedenharn <Rob@...>
Date: 2007-01-17T23:18:25+09:00
Subject: Re: Passing math method to another method?


On Jan 17, 2007, at 9:10 AM, Neutek wrote:

> I'm trying to figure out how to pass methods such as:
> +, -, **, ^
> to a method and evaluate.
>
> For example,
>
> def test(a, b, to_do)
>    return a.send(to_do(b))
> end
>
>
> puts test(1, 2, "+") #should return 3
> puts test(3, 3, "^") #should return 0
> puts test(3, 3, "**") #should return 27
>
> any help would be appreciated.

You're very close:

 >> def test(a, b, to_do)
 >>   a.send(to_do, b)
 >> end
=> nil
 >> test(1, 2, "+")
=> 3
 >> test(3, 3, '^')
=> 0
 >> test(3, 3, '**')
=> 27


Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com
Skype:	rob.biedenharn