From: eru!hagbard!sunic!enea!sommar@bloom-beacon.mit.edu (Erland Sommarskog)
Subject: procedural variables
Date: 24 Feb 91 21:18:11 GMT [thread overview]
Message-ID: <2683@enea.se> (raw)
Also sprach Stephen Edwards <edwards@cis.ohio-state.edu>:
>This isn't quite correct. Ironically, procedure _variables_ (in Ada)
>aren't even needed for X callbacks, as virtually all Ada-to-C X interfaces
>illustrate. One only need pass an indirect reference to an Ada procedure
>on to the C code. For this purpose, there isn't need of Ada-manipulable
>procedure variables. (this would not be true when interfacing to an all
>Ada implementation of X, of course.)
...or you wanted an interface package with declarations that
assured that you passed callbacks with the right parameter
profile.
--
Erland Sommarskog - ENEA Data, Stockholm - sommar@enea.se
next reply other threads:[~1991-02-24 21:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
1991-02-24 21:18 Erland Sommarskog [this message]
-- strict thread matches above, loose matches on Subject: below --
1991-02-14 19:08 procedural variables stt
1991-02-11 18:04 J o s e D u a r t e ! ! !
1991-02-11 21:45 ` Howard Turner
1991-02-12 12:32 ` Matthias Ulrich Neeracher
1991-02-15 18:32 ` Charles H. Sampson
1991-02-16 13:12 ` madmats
1991-02-19 20:33 ` stephen edwards
1991-02-20 21:02 ` Jim Showalter
1991-02-18 0:28 ` Jim Showalter
1991-02-12 23:04 ` (George C. Harrison) Norfolk State University
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