From: Eric Mahurin <eric_mahurin@...>
Date: 2005-10-15T05:14:07+09:00
Subject: Re: Wilderness: Need Code to invoke ELTS_SHARED response

--- "Charles E. Thornton" <ruby-core@hawthorne-press.com>
wrote:

> Mauricio Fern�ndez wrote:
> 
> >On Fri, Oct 14, 2005 at 05:04:59PM +0900, Charles E.
> Thornton wrote:
> >  
> >
> >>Testing the My Object Dump and I am trying to cause
> creation
> >>of a shared string object (ELTS_SHARED...)
> >>
> >>I tried:
> >>#!/usr/bin/ruby
> >>#
> >># Trace Execution
> >>#
> >>#set_trace_func proc { |event, file, line, id, binding,
> classname|
> >>#   printf "%8s %s:%-2d %10s %8s\n", event, file, line, id,
> classname }
> >>#
> >>v1 = "hello long message"
> >>v2 = v1.sub(/([aeiou])/, '*')
> >>p v2
> >>
> >>But No Luck:
> >>
> >>Can someone provide a short fragment that induces this
> behavior (Shared!).
> >>    
> >>
> >
> > v1 = "foo".clear
> >
> >  
> >
> Runinng 1.8.2 Produces
> ---------------------------------
> 
> v1 = "foo".clear     #==>  undefined method `clear' for "foo"
> :String
> 
> "clear" only works for HASH and ARRAY (oh yeah,  SET and
> QUEUE too)?

I haven't looked at string.c, but if it is like array.c, you
should be able to just grab a muli-element slice (#slice or
#[]) of a string to start sharing.


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