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There are three problems with the pointer-based-template approach -
both solved by the "real" template support in 6.1
1) A based DS cannot specify INZ values.
2) The compiler cannot detect that you didn't really mean to reference
a field in the template. You won't find this out until run time when
it goes book with a pointer exception. Which of course is only a
problem for people who don't test fully <grin>
3) The cast majority of RPGers on seeing the BASED keyword will go
"What the ... " - I used to teach this technique in my sessions on the
D-spec but have all but dropped it (and relegated it to notes pages)
because such a large percentage of the audience just glazed-over when
they saw it.
Thank goodness Barbara added the real template support!
Jon Paris
www.Partner400.com
www.SystemiDeveloper.com
On 24-Sep-09, at 5:37 PM, rpg400-l-request@xxxxxxxxxxxx wrote:
Ah - understood - I just put some dummy pointer name in the data
definition when making a template, in effect - just as you say, no
need
for explicit declaration of the pointer.
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