From: fedzor <fedzor@...>
Date: 2008-06-15T01:35:40+09:00
Subject: Re: fire event when the value of a variable is changed


On Jun 13, 2008, at 11:36 PM, Avdi Grimm wrote:

> On Fri, Jun 13, 2008 at 10:04 PM, fedzor <fedzor@gmail.com> wrote:
>> a = 5
>> a.trace_var {|new| puts "a was changed to '#{new}'" }
>
> Did you actually try this?  And if so, on what version of Ruby?
>
> According to RI and the results of my own experimentation, trace_var
> is called like so:
>
>   trace_var(:$a) {|value| ...}

I tried it a while ago... but not *Exactly* that line of code... sorry!


-------------------------------------------------------|
~ Ari
seydar: it's like a crazy love triangle of Kernel commands and C code