Re: Snapshot: 2007-06-17

[Dmitry Borodaenko]

On 6/18/07, boud <address@hidden> wrote:
> BTW, what's the general programming principle for the two .freeze
> method calls ? Is the idea more to prevent accidental programmer error
> (editing the re's could easily create a mess) or rather to protect
> against the risk of exploits (since the URL is an external site and
> has to be untainted, it could potentially be cracked before anyone
> realises that something is wrong - "be suspicious of any external data")?

Nice thing about freeze() is that it not only improves security, but
also allows Ruby interpreter to apply more aggressive optimizations
based on assumption that the data is immutable.

--
Dmitry Borodaenko