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Add additional informations about indirect field accessing of struct arrays

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enrico 2021-04-29 19:25:11 +02:00
parent fa32f4a3fd
commit 073de6fbbf
1 changed files with 10 additions and 0 deletions
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10
struct_arrays.m
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@ -10,6 +10,12 @@ patient(2).name = 'Ann Lane';
patient(2).billing = 28.50; patient(2).billing = 28.50;
patient(2).test = [68, 70, 68; 118, 118, 119; 172, 170, 169]; patient(2).test = [68, 70, 68; 118, 118, 119; 172, 170, 169];
% if the index is not specified, patient.field returns
% the fields of all its elements as multiple return values
[name1, name2] = patient.name;
assert(isequal(name1, 'John Doe'));
assert(isequal(name2, 'Ann Lane'));
% creates a new records 'age'; this will be created in all the other % creates a new records 'age'; this will be created in all the other
% entries; fields not specified here are set to [] % entries; fields not specified here are set to []
patient(3).name = 'New Name'; patient(3).name = 'New Name';
@ -21,6 +27,10 @@ customer(1).billing = 30.0;
customer(1).test = []; customer(1).test = [];
customer(1).age = 25; customer(1).age = 25;
% acceess fields indirectly
field = "name";
assert(isequal(customer(1).(field), 'Enrico'));
% concatenates patient and customer to create a new struct array % concatenates patient and customer to create a new struct array
v = [patient customer]; % or [patient, customer] v = [patient customer]; % or [patient, customer]