From: RK Sentinel <sentinel.2001@...>
Date: 2009-01-22T21:06:35+09:00
Subject: Re: String doesnt auto dup on modification

Brian Candler wrote:
> RK Sentinel wrote:
>> I guess I'll just have to remember not to modify a string I take from 
>> another class.
> 
> Or as was said earlier on: simply don't use destructive string methods 
> unless you really have to. Pretend that all strings are frozen.
> 

Yes, I did mention too somewhere to use gsub! etc with caution. Fine in 
local variables, strings that are not exposed.

> He says he modifies some object ...and to his great surprise the object 
> indeed gets modified.
:-) Nice way of putting it. But this happened across objects, and I was 
wondering whether there was some other solution to the problem which did 
not require my having to remember not to modify a string taken from 
elsewhere.
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