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[Octave-bug-tracker] [bug #46571] classdef numel method not consulted fo

From: Mike Miller
Subject: [Octave-bug-tracker] [bug #46571] classdef numel method not consulted for cell-indexed assignment
Date: Wed, 21 Feb 2018 03:22:50 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Firefox/58.0

Follow-up Comment #5, bug #46571 (project octave):

I've verified that Sébastien's patch applies and introduces no regressions in
the test suite, but a test case would be good (as we talked about on irc).

As we also talked about on irc, this may not be a complete solution,
Sébastien mentioned looking at the Matlab object method
numArgumentsFromSubscript, which I think is supposed to override how nargin
and nargout are interpreted for subsref and subsasgn.

I'll also note that this change *does* break some indexing behavior that I am
relying on in pytave. If we do apply this patch, on either the stable or
default branch, I would appreciate some help in figuring out how to get pytave
subsasgn working again.

I do think this patch is worth applying ultimately, even if it's not a
complete solution to the overall class indexing problem. It definitely should
be possible for a user class to override numel, which isn't possible today.


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