On Oct 8, 2005, at 10:16 AM, Frederick D. S. Marshall wrote:
Dear Michael,
FileMan version 22 was originally suppsed to include extensible
data types, including typing of functions, which would have taken
us halfway to real methods. There was discussion of sub- and super-
types, but we were going to wait to decide whether to include it in
22 or wait for 23 depending on how quickly the extensible data
types work proceeded. Michael Ogi demoed his code to us, and it
was beautiful, even including multi-field datatypes like blood
pressure.
Unfortunately, VA management at the time (1994? 5?) pulled the plug
because we would be leaving FileMan within the next year or two,
something none of the technical folks believed was possible. Time
has proven the management of that time wrong, and the technical
folks correct. With Rob Kolodner and other pro-VistA managers at
the helm now, VA may support us in resurrecting this work; we could
take Michael Ogi's work back off the shelf, update it for the
current version of FileMan, and release it.
In the meantime, FileMan will let you do sub-typing and super-
typing manually, by coding all the logic to support it in MUMPS and
weaving it into FileMan through programming hooks. Also,
mechanisms such as that Greg has described, along with certain
package-specific features, can be leveraged to speed things up for
you.
Yours truly,
Rick
I, for one, would love to have that work see the light of day.
===
Gregory Woodhouse
[EMAIL PROTECTED]
"Nothing is as powerful than an idea
whose time has come."
-- Victor Hugo
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