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From: martin rudalics <rudalics@gmx.at>
To: Alex Branham <alex.branham@gmail.com>,
	"Basil L. Contovounesios" <contovob@tcd.ie>
Cc: 33309@debbugs.gnu.org, Michael Albinus <michael.albinus@gmx.de>,
	Stefan Monnier <monnier@IRO.UMontreal.CA>
Subject: bug#33309: Add flatten-list?
Date: Tue, 11 Dec 2018 09:34:44 +0100	[thread overview]
Message-ID: <5C0F76A4.1040500@gmx.at> (raw)
In-Reply-To: <87pnu9m0ou.fsf@gmail.com>

+(defun flatten-tree (tree)
+  "Take TREE and \"flatten\" it.
+This always returns a list containing all the elements of TREE.
+Dotted pairs are flattened as well, and nil elements are removed.

Could you please sketch here (1) the expected form of TREE, (2) in
which order (pre-order I presume) it is traversed and therefore the
resulting list constructed and, as Stephen already asked, (3) which
elements of TREE will be included in the resulting list.

If applicable, please also tell if there are elements that this
function cannot flatten and which they are.

Thanks for your work on this, martin






  parent reply	other threads:[~2018-12-11  8:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-07 19:46 bug#33309: Add flatten-list? Alex Branham
2018-11-07 20:36 ` Drew Adams
2018-11-07 21:19   ` Alex Branham
2018-12-10  8:44     ` Michael Albinus
2018-12-10 17:49       ` Stefan Monnier
2018-12-10 20:12         ` Alex Branham
2018-12-10 21:36           ` Stefan Monnier
2018-12-10 23:06             ` Alex Branham
2018-12-11 12:36               ` Stefan Monnier
2018-12-10 22:42           ` Basil L. Contovounesios
2018-12-10 23:17             ` Alex Branham
2018-12-10 23:26               ` Basil L. Contovounesios
2018-12-10 23:34               ` Stephen Berman
2018-12-11  8:21               ` Michael Albinus
2018-12-11  8:34               ` martin rudalics [this message]
2018-12-11 17:36 ` bug#33309: [PATCH] flatten-list Alex Branham
2018-12-11 20:11   ` Michael Albinus
2018-12-11 20:16     ` Alex Branham
2018-12-17 11:33       ` Michael Albinus

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