[Octave-bug-tracker] [bug #44844] indexed field assignment in constructor converts legacy nested class object to struct

[Mike Miller]

Update of bug #44844 (project octave):

              Item Group:        Incorrect Result => Matlab Compatibility   
                  Status:                    None => Confirmed              
                 Summary: field assignment converts class object to struct =>
indexed field assignment in constructor converts legacy nested class object to
struct

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Follow-up Comment #3:

This has something to do specifically with either the nested definition of one
object inside another, or with the indexing operation that is done inside the
constructor, or the combination of both.

If I trivially rewrite the constructor to avoid nested indexing and
assignments together like this:


tmp = prova (sp.knots(ind));
tmp.dofs = ind;
tmp.spline_space.dofs = tmp.dofs;
sp.boundary(iside) = tmp;


then it works correctly as in Matlab.

The error only happens because of the assignment


sp.boundary(iside).spline_space.dofs = sp.boundary(iside).dofs;


I'm unable to convert this class example to classdef, so I have to assume this
affects legacy classes for now, until someone can show an example that also
affects classdef.

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  <http://savannah.gnu.org/bugs/?44844>

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