From: "Christoph Höger" <christoph.hoeger@tu-berlin.de>
To: caml users <caml-list@inria.fr>
Subject: Re: [Caml-list] Map that maintains insertion-order on keys
Date: Thu, 14 Jul 2016 20:44:22 +0200 [thread overview]
Message-ID: <b169d93e-84b0-06e8-c9a1-c77d6e1722d6@tu-berlin.de> (raw)
In-Reply-To: <CAGrdgiV_u0GeE4gNqnWcBncO0m9EG=0FV2OakejHa=kgXdg9wg@mail.gmail.com>
Am 14.07.2016 um 20:35 schrieb Jesper Louis Andersen:
> Hi,
>
> Could you give some small example of what you want or a more precise
> definition? I can think of at least 3 ways to parse meaning out of
> "gives keys in order of insertion", and I don't know which you might want.
What I mean is that a map that is created by consecutive Map.add
applications, yields the keys in the order of the add() applications, i.e.
Map.keys (Map.add k_n v_n (Map.add k_(n-1) v_(n-1) (Map.add ... (Map.add
k_1 v_1 Map.empty))))) =!= [k_1; ...; k_(n-1); k_n]
it could also yield [k_n; k_(n-1); ... ;k_1], that does not matter that
much.
--
Christoph Höger
Technische Universität Berlin
Fakultät IV - Elektrotechnik und Informatik
Übersetzerbau und Programmiersprachen
Sekr. TEL12-2, Ernst-Reuter-Platz 7, 10587 Berlin
Tel.: +49 (30) 314-24890
E-Mail: christoph.hoeger@tu-berlin.de
next prev parent reply other threads:[~2016-07-14 18:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-14 18:02 Christoph Höger
2016-07-14 18:35 ` Jesper Louis Andersen
2016-07-14 18:44 ` Christoph Höger [this message]
2016-07-14 19:07 ` Jesper Louis Andersen
2016-07-14 19:10 ` Gabriel Scherer
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