From: Farrel Lifson <farrel.lifson@...>
Date: 2006-09-08T00:21:56+09:00
Subject: Re: Has a method been called?

On 07/09/06, aidy <aidy.rutter@gmail.com> wrote:
> Hi,
> Is it possible to find out if a method has been called except by adding
> a flag to it?
>
> class Whatever
>   @flag = 0
>
>   def method_called
>     @flag += 1
>   end
>
>   def has_method_been_called
>     false
>     return true if @flag > 0
>   end
>
> end
>
> Cheers
>
> Aidy
>
>
>

Have a look at set_trace_func. It's documented in the pickaxe book
online at http://www.rubycentral.com/book/ospace.html (just scroll
down to Tracing Your Program's Execution). You'll probably be
interested in the 'call' events.

Farrel