Is it possible to add methods on the fly to MATLAB classes?

Question

Writing a subclass of dynamicprops allows to me to add properties dynamically to an object:

addprop(obj, \'new_prop\')

This is gre

Answer 1

I'm adding this answer because I think that this is not intuitive. At least not to myself at this moment. After finding this question I thought I had what I needed to be able to define the set/get methods for my dynamic class. All I wanted to achieve with this was something similar to what python does with its __setattr__ method. In any case, here is a continuation of the class made by @jonas a while ago with a few modifications to add the our custom set method.

classdef myDynamicClass < dynamicprops
    properties (Hidden)
        name_ %# class name
    end
    methods
        function self = myDynamicClass(clsname, varargin)
            % self = myDynamicClass(clsname, propname, type)
            % here type is a handle to a basic datatype.
            self.name_ = clsname;
            for i=1:2:length(varargin)
                key = varargin{i};
                addprop(self, key);
                prop = findprop(self, key);
                prop.SetMethod = makefunc(key, varargin{i+1});
            end
        end
        function out = classname(self)
            out = self.name_;
        end
    end
end

function h = makefunc(key, argtype)
    h = @newfunc;
    function newfunc(obj, val)
       obj.(key) = argtype(val); 
    end
end

With this class I'm defining the set method so that the parameter passed to the attribute is copied to the right type. To see what I mean consider the following usage:

>> p_int = myDynamicClass('Point', 'x', @int8, 'y', @int32);
>> p_int.x = 1000 

p_int = 

  myDynamicClass with properties:

    y: []
    x: 127

>> class(p_int.x)

ans =

int8

With this we have forced the x attribute to be an integer of 8 bits which can only hold integers from -128 to 127. Also notice how the class of each attribute gives us the intended type.