Re: Performance of access type : a tiny mistake in the WikiBook ?

["(see below)" <yaldnif.w@blueyonder.co.uk>]

On 07/10/2009 21:59, in article
91ad7397-27a8-4b9d-811e-6e62d485645c@v2g2000vbb.googlegroups.com, "Hibou57
(Yannick Duch�ne)" <yannick_duchene@yahoo.fr> wrote:

> �
> 1) "in" modifier : parameter is passed into the subprogram.
> 2) "out" modifier : parameter is passed from the subprogram.
> 3) "in out" modifier : parameter may be modified by the subprogram.
> 4) access all : access to any (aliased) object.
> 5) pool access : the access is always within a storage pool and only
> checks for not null are performed upon dereference.
> 6) anonymous access : complex "stack deeps level" checks are needed so
> an "anonymous access" can be safely converted from and to an "access
> all" or "pool access".
>  �
> Pool Access is quoted after Access All, at position 5

If that ranking is to be of any use (I'm not convinced that it is),
surely it should indicate the likely effect of the "not null"
and "access constant" options as well.

-- 
Bill Findlay
<surname><forename> chez blueyonder.co.uk