From: adam@irvine.com (Adam Beneschan)
Subject: Recursive tagged types
Date: 1997/11/07
Date: 1997-11-07T00:00:00+00:00 [thread overview]
Message-ID: <878950835.1236@dejanews.com> (raw)
GNAT outputs TRUE when I run this program. Is this correct according
to the Ada rules?
-- thanks, Adam
with Ada.Tags;
with Text_IO;
procedure Test1 is
Tag1 : Ada.Tags.Tag;
Tag2 : Ada.Tags.Tag;
procedure Recursive_Procedure (N : in Integer) is
type Type1 is tagged null record;
type Type2 is new Type1 with record
Some_Data : Integer;
end record;
begin
if N = 1 then
Tag1 := Type2'Tag;
Recursive_Procedure (2);
else
Tag2 := Type2'Tag;
end if;
end Recursive_Procedure;
begin
Recursive_Procedure (1);
Text_IO.Put_Line (Boolean'image (Ada.Tags."=" (Tag1, Tag2)));
end Test1;
-------------------==== Posted via Deja News ====-----------------------
http://www.dejanews.com/ Search, Read, Post to Usenet
next reply other threads:[~1997-11-07 0:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-11-07 0:00 Adam Beneschan [this message]
1997-11-10 0:00 ` Recursive tagged types Stephen Leake
1997-11-10 0:00 ` Tucker Taft
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox