* PC/Ada assessment wanted
@ 1994-10-04 4:20 Lew Romney
1994-10-04 20:25 ` Bob Duff
0 siblings, 1 reply; 2+ messages in thread
From: Lew Romney @ 1994-10-04 4:20 UTC (permalink / raw)
I'm thinking of developing apps with Ada on the PC. Being of a slightly
pragmatic nature, I have a few queries/quibbles:
1) Integration with 80x86 assembly/externally compiled code in the
form of Microsoft OBJ files--how well?
2) Object-oriented features; I know Ada83 has inheritable packages,
will 9X have polymorphic packages with methode inheritance?
3) Support libraries esp. for window/mouse/pulldown menu user
interfaces and resource-related--are there any available?
ttyl, Lew.
lew.romney@thcave.bbs.no
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: PC/Ada assessment wanted
1994-10-04 4:20 PC/Ada assessment wanted Lew Romney
@ 1994-10-04 20:25 ` Bob Duff
0 siblings, 0 replies; 2+ messages in thread
From: Bob Duff @ 1994-10-04 20:25 UTC (permalink / raw)
In article <11643.323.uupcb@thcave.bbs.no>,
Lew Romney <lew.romney@thcave.bbs.no> wrote:
>2) Object-oriented features; I know Ada83 has inheritable packages,
>will 9X have polymorphic packages with methode inheritance?
Ada 94 has inheritance and polymorphism. It's based on derived types,
not on "polymorphic packages". You can declare a new record type that
inherits components from its parent (and something similar for private
types). You can declare dispatching subprograms that dispatch according
to the type tag of the operand(s).
--
Bob Duff bobduff@inmet.com
Oak Tree Software, Inc.
Ada 9X Mapping/Revision Team (Intermetrics, Inc.)
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