From: Tim Hunter <cyclists@...>
Date: 2006-02-14T11:38:25+09:00
Subject: Re: Generic method without case/when?

Paatsch, Bernd wrote:
> I like to write a generic method that calls different functions depending on
> what string I parse to the method (see example) without having to use a
> case-when? Is there a way to do that?
> 
> Process_easy("aFile", "Summer")
> 
> def process_easy(file, what)
> 
>     if file.include?("#{what}#{NL}") then
>       constructor = CategoriesFactory.start_what # this is wrong. I like to
> substitute and have:  constructor = CategoriesFactory.start_summer
>       start = file.index("Summer#{NL}")
>       return constructor
> # etc
> end    
> 
> -Bernd
> 

Check the Object#send method:

obj.send('method', arg1, arg2...)