I'm not sure if this is a bug, but the function map-put does not change its
argument MAP if the map is an alist and the key is not found.
For example, the following code returns "value" as expected:
(require 'map)
(let ((m (make-hash-table)))
(map-put m 'key "value")
(map-elt m 'key))
If I replace m by an alist, then the following code returns nil.
I expected it returned "value" as above.
(let ((m nil))
(map-put m 'key "value")
(map-elt m 'key))
By expanding map-put, I found that it returns a new list if "m" is a list and
the key is not in "m".
Best regards,
Sho Takemori
In GNU Emacs 25.0.92.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.16.7)
of 2016-03-24 built on K430-Ubuntu
Repository revision: c0165ea4d6ecf81db6728782c7322c311ee0a783
Windowing system distributor 'The X.Org Foundation', version 11.0.11702000
System Description: Ubuntu 15.10
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Recent messages:
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Mark set
map
"value"
Mark set
nil [2 times]
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