Lookup the docs, but IMMUTABLE and other such tags are hints to the
optimiser. If a function is immutable then the optimiser can optimise
away any invocations. If your function isn't actually immutable you've
just caused a problem.
They don't affect the actual function at all...
On Thu, Mar 03, 2005 at 02:17:17PM +0100, Thomas Schoen wrote:
> Hi,
>
> i wonder if the attribute IMMUTABLE has any effect on functions.
> Maybe its not implemented yet?
--
Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/
> Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a
> tool for doing 5% of the work and then sitting around waiting for someone
> else to do the other 95% so you can sue them.