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Re: [Chicken-janitors] #768: s11n: reconstruction of hash-tables incorre
From: |
Chicken Trac |
Subject: |
Re: [Chicken-janitors] #768: s11n: reconstruction of hash-tables incorrect on de-serialization |
Date: |
Mon, 14 Jan 2019 19:39:18 -0000 |
#768: s11n: reconstruction of hash-tables incorrect on de-serialization
-----------------------------------+-------------------
Reporter: felix | Owner:
Type: defect | Status: new
Priority: critical | Milestone:
Component: extensions | Version: 4.7.x
Resolution: | Keywords: s11n
Estimated difficulty: hard |
-----------------------------------+-------------------
Comment (by mario):
Here's a simple example to illustrate the problem:
{{{
$ cat s11n-ht.scm
(use srfi-69)
(use s11n)
(define ht1
(alist->hash-table '((foo . bar))))
(define ht2
(alist->hash-table `((foo . bar)
(ht . ,ht1))))
(with-output-to-file "serialized.s11n"
(lambda ()
(serialize ht2)))
(pp (hash-table->alist
(with-input-from-file "serialized.s11n" deserialize)))
}}}
{{{
$ csi -s s11n-ht.scm
((foo . bar) (ht . #<hash-table (1)>))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>) (foo . bar))
$ csi -s s11n-ht.scm
((foo . bar) (ht . #<hash-table (1)>))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>) (foo . bar))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>) (foo . bar))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>) (foo . bar))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>))
$ csi -s s11n-ht.scm
((ht . #<hash-table (1)>))
$ csi -s s11n-ht.scm
((foo . bar) (ht . #<hash-table (1)>))
}}}
Maybe I was not creative enough, but I could only reproduce this behavior
with nested hash-tables.
--
Ticket URL: <https://bugs.call-cc.org/ticket/768#comment:2>
CHICKEN Scheme <https://www.call-cc.org/>
CHICKEN Scheme is a compiler for the Scheme programming language.
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