From: "Peña, Botp" <botp@...>
Date: 2004-05-28T16:59:35+09:00
Subject: Re: Nasty string growth performance

Hal Fulton [mailto:hal9000@hypermetrics.com] expounded:

> Perhaps you want
> 
>      buf += line
> 
> to be treated specially for strings. 

you read my mind: yes.

> But it isn't... it *always* means
> 
>      buf = buf + line
> 

sigh..

> and I think you can see there that there is always a new 
> object created.
> 
> += is not a "real" operation... it's only syntax sugar. It's not a
> method, so it can't possibly modify an object in place.
> 

Clear enough. Thx.
fwiw, I've always thought "+" symbol is common for numeric addition and
string concatenation... Maybe my old (non-o-o) programmg style does not
apply anymore :-(

..or maybe the syntax sugar is more of a danger than of help..

I'm getting phobia of this "+" thingy..

> Does this help any?

Yes, much. Thank you and very kind of you to.

> 
> Hal
> 

kind regards -botp