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[Octave-bug-tracker] [bug #62639] imputParser fails to add Optional argu
From: |
anonymous |
Subject: |
[Octave-bug-tracker] [bug #62639] imputParser fails to add Optional argument with empty cell default value |
Date: |
Thu, 16 Jun 2022 07:45:19 -0400 (EDT) |
URL:
<https://savannah.gnu.org/bugs/?62639>
Summary: imputParser fails to add Optional argument with
empty cell default value
Project: GNU Octave
Submitter: None
Submitted: Thu 16 Jun 2022 11:45:16 AM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Matlab Compatibility
Status: None
Assigned to: None
Originator Name: Nikita Beliy
Originator Email: nikita.beliy@uliege.be
Open/Closed: Open
Release: 5.2.0
Discussion Lock: Any
Operating System: GNU/Linux
_______________________________________________________
Follow-up Comments:
-------------------------------------------------------
Date: Thu 16 Jun 2022 11:45:16 AM UTC By: Anonymous
When creating argument parser with an empty optional argument:
*octave:*
> p = inputParser;
> p.addOptional('opt',{});
> p.parse('opt', 'xxx')
fails with error:
error: value on right hand side of assignment is undefined
error: called from
parse at line 441 column 35
In Matlab (R2017b) works as expected:
*matlab:*
>> p = inputParser;
>> p.addOptional('opt',{});
>> p.parse('opt', 'xxx');
>> p.Results
ans =
struct with fields:
opt: 'xxx'
The problem comes from inputParser.m:324:
this.Optional{end+1} = struct ("name", name, "def", def, "val", val);
The creation of structure with an empty cell as value creates an empty
structure (both in matlab and octave):
*octave:*
> sp = struc(p);
> sp.Optional
ans =
{
[1,1] =
0x0 struct array containing the fields:
name
def
val
}
*matlab:*
>> sp = struct(p);
>> sp.Optional
ans =
struct with fields:
name: 'opt'
default: {}
validator: []
P.S. Can't test later versions of octave, the 5.2.0-1 is the latest one for
Ubuntu 20.04
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- [Octave-bug-tracker] [bug #62639] imputParser fails to add Optional argument with empty cell default value,
anonymous <=