From: Arun Isaac <arunisaac@systemreboot.net>
To: 41636@debbugs.gnu.org
Cc: Arun Isaac <arunisaac@systemreboot.net>
Subject: [bug#41636] [PATCH] combinators: Recurse fold2 to named let loop.
Date: Mon, 1 Jun 2020 05:41:13 +0530 [thread overview]
Message-ID: <20200601001113.10439-1-arunisaac@systemreboot.net> (raw)
* guix/combinators.scm (fold2): Recurse to named let loop, not fold2 itself.
---
guix/combinators.scm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/guix/combinators.scm b/guix/combinators.scm
index 11cad62ccf..4707b59363 100644
--- a/guix/combinators.scm
+++ b/guix/combinators.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -56,7 +57,7 @@
(call-with-values
(lambda () (proc (car lst1) (car lst2) result1 result2))
(lambda (result1 result2)
- (fold2 proc result1 result2 (cdr lst1) (cdr lst2)))))))))
+ (loop result1 result2 (cdr lst1) (cdr lst2)))))))))
(define (fold-tree proc init children roots)
"Call (PROC NODE RESULT) for each node in the tree that is reachable from
--
2.26.2
next reply other threads:[~2020-06-01 0:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-01 0:11 Arun Isaac [this message]
2020-06-01 12:58 ` bug#41636: [PATCH] combinators: Recurse fold2 to named let loop Jakub Kądziołka
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