From: Shark8 <OneWingedShark@gmail.com>
Subject: Re: Problem with generic linked list package
Date: Sat, 09 Aug 2014 12:51:32 -0600
Date: 2014-08-09T12:51:32-06:00 [thread overview]
Message-ID: <W4uFv.853$hf.752@fx01.iad> (raw)
In-Reply-To: <75864d79-609c-4e37-98d8-6b5f050ad59d@googlegroups.com>
On 09-Aug-14 08:32, Laurent wrote:
> with function "<"(Left, Right : Element) return Boolean is <>;
> with function "="(Left, Right : Element) return Boolean is <>;
>
> There is no "<" and "=" defined for Element_Type, normally. So the "<>"
> seems to do the trick but why?
> The box tells the compiler that it will get the info it needs later.
> But in this case there is no later, isn't it?
Nope; the "is <>" tells the compiler that the function named doesn't
have to be explicitly named in the instantiation *if it is visible*.
This means that the above 'automatically' uses "<" and '=' at the point
of instantiation (if there's a conformant function that's visible).
next prev parent reply other threads:[~2014-08-09 18:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-28 13:26 Problem with generic linked list package Laurent
2014-07-29 7:51 ` Jacob Sparre Andersen
2014-07-29 8:12 ` Laurent
2014-07-29 8:27 ` Stephen Leake
2014-07-29 15:38 ` Laurent
2014-08-07 19:07 ` Laurent
2014-08-07 19:21 ` Adam Beneschan
2014-08-07 19:25 ` Adam Beneschan
2014-08-07 22:20 ` Laurent
2014-08-07 23:35 ` Adam Beneschan
2014-08-08 4:42 ` Laurent
2014-08-09 14:32 ` Laurent
2014-08-09 14:58 ` AdaMagica
2014-08-09 15:22 ` Jeffrey Carter
2014-08-09 18:51 ` Shark8 [this message]
2014-08-09 21:53 ` Laurent
2014-08-09 22:25 ` Jeffrey Carter
2014-08-10 8:22 ` Simon Wright
2014-08-10 10:45 ` Simon Wright
2014-08-10 20:20 ` Laurent
2014-08-10 21:57 ` Simon Wright
2014-08-10 23:42 ` Jeffrey Carter
2014-08-11 4:51 ` Laurent
2014-08-11 5:13 ` Jeffrey Carter
2014-08-11 7:56 ` Laurent
2014-08-07 20:37 ` Shark8
2014-08-07 22:30 ` Laurent
2014-08-07 23:22 ` Shark8
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