Class implementation such that assignment x=MyObj does in fact x=MyObj.prop1
显示 更早的评论
Let's say I have a class
classdef TestClass < handle
properties
prop1 = 7
prop2
end
methods
function method1(obj)
fprintf('prop1 is %g.', obj.prop1);
end
end
end
Now, when I do
Obj = TestClass;
x = Obj;
I want that the value of property prop1 is assigned to x, instead of the reference to Obj. So this assignment results to x=7.
And I would prefer to keep the class to be inherited from handle. But value class will also do.
I still would like to access prop2 as Obj.prop2 and call all the methods.
How this can be implemented in a custom class?
Thanks!
2 个评论
Matt J
2022-8-4
The similar behaviour the MATLAB's class string has.
I don't think so. You should probably demonstrate what you mean.
采纳的回答
You can't have precisely what you have asked for, but you can do this,
classdef TestClass < handle
properties
prop1 = 7
prop2
end
methods
function method1(obj)
fprintf('prop1 is %g.', obj.prop1);
end
function out=double(obj) %converter
out=double(obj.prop1);
end
function out=single(obj) %converter
out=single(obj.prop1);
end
end
end
and then,
>> Obj=TestClass
Obj =
TestClass with properties:
prop1: 7
prop2: []
>> x=zeros(1,3)
x =
0 0 0
>> x(3)=Obj
x =
0 0 7
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