bugGNU Octave - Bugs: bug #66270, subsasgn and subsref can not use...

 
 

bug #66270: subsasgn and subsref can not use ('key') operator to access containers.Map

Submitter:  Qianqian Fang <fangq>
Submitted:  Sat 28 Sep 2024 07:13:13 PM UTC
   
 
Category:  Octave Function Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error or Warning
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * 9.1.0 Operating System:  * Any
Fixed Release:  None Planned Release:  None
* Mandatory Fields

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Mon 30 Sep 2024 04:47:36 PM UTC, comment #1: 

Use:


a=containers.Map();
subsasgn(a, struct('type', '()', 'subs', {{'testkey'}}), 1)


and


a('test')=1
subsref(a, struct('type', '()', 'subs', {{'test'}}))


subsref and subsasgn in containers.Map should be updated to also accept a character array and not just a cellstr.

Anonymous
Sat 28 Sep 2024 07:13:13 PM UTC, original submission:  

The following subsasgn command fails on Octave (5.x - 9.x) but works fine on MATLAB


a=containers.Map();
subsasgn(a, struct('type', '()', 'subs', 'testkey'), 1)


octave error:


 error: sq_string cannot be indexed with {
 error: called from
    subsasgn at line 462 column 15


 
similarly, the ('testkey') operator also fails to work in subsref to retrieve values if the key exist


 a('test')=1
 subsref(a, struct('type', '()', 'subs', 'test'))


octave error:


 error: sq_string cannot be indexed with {
 error: called from
    subsref at line 432 column 15


expected behavior: if mapname('test') can be assigned and retrieved, the subsasgn and subsref interfaces should allow () operator with a string-valued key.

Qianqian Fang <fangq>

 

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