MATLAB's flexible nature is very convenient in most situations. However, this flexibility can also be the cause of hard-to-find bugs.
In many cases, it is desirable to have a data type which is CONST. That is, a datatype which cannot be changed after the first assignment. MATLAB has seen heavy criticism due to its lack of a CONST data type. Although the basic functionality of CONST variables can be achieved through a class with constant properties, that approach leaves much to be desired.
That is where this file comes in. It implements all the functionality of a basic, scalar MATLAB structure, but after a field has been added and assigned a value, that field can no longer be changed.
That means, it strikes a middle ground by offering the flexibility of adding fields dynamically, but disallowing *changing* of fields values.
A simple example session:
C = const; % empty const
C.myField = 'test'; % first assignment; OK
C.myField = 4; % ERROR!
Much more is possible; have a look at the function documentation inside const.m for more information.
Rody Oldenhuis (2021). CONST structure (https://github.com/rodyo/FEX-const/releases/tag/v1.3), GitHub. Retrieved .
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