Specify nature/type of property

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elevonm
elevonm il 23 Ago 2021
Modificato: per isakson il 25 Ago 2021
Hello,
I am writing a class in which I have the property 'food'. The property should be composed of a string specifying the type of food and a double specifying the number of calories. How do I specify this to the property? (As an example, just as I have specified 'string' to 'colour', I want to specify something for 'food')
classdef meals
properties
food
colour string
end
end
Thank you in advance for your help!
  2 Commenti
Wan Ji
Wan Ji il 23 Ago 2021
You can define another class called food
classdef food
properties
type string
calories double
end
end
Wan Ji
Wan Ji il 23 Ago 2021
And then
classdef meals
properties
food food
colour string
end
end

Accedi per commentare.

Risposte (2)

Wan Ji
Wan Ji il 23 Ago 2021
First define the food class
Then define meals class
Now run meals in the command window, we get empty class meals with two field properties: food and colour
After that, look into this empty meals named ans
And see ans.food by double click it, food type and calories are there

per isakson
per isakson il 25 Ago 2021
Modificato: per isakson il 25 Ago 2021
... or something like:
classdef meals
properties
food (1,1) struct = struct( 'type',{'wheat'}, 'calories',{123} );
colour string
end
end
>> m.food
ans =
struct with fields:
type: 'wheat'
calories: 123

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