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Cc: perl6-intern...@perl.org
Subject: Re: Constant strings - again
Date: Wed, 21 Apr 2004 11:13:24 -0700
To: l...@toetsch.at
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From: jcli...@mac.com (Jeff Clites)

On Apr 21, 2004, at 10:14 AM, Leopold Toetsch wrote:

> The "equal" case was missing one thing: if both strings are COWed 
> copies,
> the compare can be avoided too - it's equally fast then, as "not 
> equal".

That makes sense, as long as we never optimize substring via a COW copy 
with a different strlen. (That is, one could optimize the 
initial-substring case that way, though I don't think we do that 
currently.)

JEff