GNU logs - #28837, boring messages

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Subject: bug#28837: Guile 2.2.2: Loading srfi-1 with merge-generics breaks "map" 
Resent-From: Andrew Erlanger <andrew.erlanger@HIDDEN>
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Resent-Date: Sat, 14 Oct 2017 17:39:02 +0000
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To: 28837 <at> debbugs.gnu.org
From: Andrew Erlanger <andrew.erlanger@HIDDEN>
Date: Sat, 14 Oct 2017 13:30:01 -0400
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Re-creation:

1. Make a directory (I call it 'mytest')

2. In the directory, make a file f.scm containing:

(define-module (mytest f)
  #:use-module (oop goops)
  #:use-module (srfi srfi-1)
  #:duplicates (merge-generics))

3. In the directory, make a file test.scm containing:

(add-to-load-path (dirname (getcwd)))

(use-modules (mytest f))

4. Navigate to the directory in a terminal, and start the Guile REPL.

5. In the REPL, enter the two following commands:

(load "test.scm")

,in (mytest f) map

The last command returns:

While executing meta-command:
ERROR: Unbound variable: map

That is, the 'map' primitive becomes unbound in the context of (mytest
f). Any procedures which both
    (a) relying on map, and
    (b) are defined and exported in (mytest f),
throw the above error as well.

Please let me know if I can clarify.

- Andrew

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Andrew Erlanger <andrew.erlanger@HIDDEN>
Subject: bug#28837: Acknowledgement (Guile 2.2.2: Loading srfi-1 with
 merge-generics breaks "map" )
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Date: Sat, 14 Oct 2017 17:39:02 +0000

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Message sent to bug-guile@HIDDEN:

Subject: bug#28837: Guile 2.2.2: Loading srfi-1 with merge-generics breaks "map"
Resent-From: David Pirotte <david@HIDDEN>
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To: Andrew Erlanger <andrew.erlanger@HIDDEN>
Cc: 28837 <at> debbugs.gnu.org
Date: Mon, 16 Oct 2017 23:11:47 -0200
From: David Pirotte <david@HIDDEN>
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Hi Andrew,

> (define-module (mytest f)
>   #:use-module (oop goops)
>   #:use-module (srfi srfi-1)
>   #:duplicates (merge-generics))

You need at least=20

  #:duplicates (merge-generics
                replace)

but as I recommended in an earlier message, you should extend the default s=
et

  #:duplicates (merge-generics
		replace
		warn-override-core
		warn
		last)

> ,in (mytest f) map

> While executing meta-command:
> ERROR: Unbound variable: map

The above will fix your problem.

David

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