Concatenate array
| ID | CC-16 | 
| Title | Do not use brackets to concatenate struct array field values or object array property values. | 
| Priority | Mandatory | 
| Severity level | 3 | 
| Description | Performing concatenation on an expanded array is not supported by the Coder before MATLAB R2020b. | 
| Rationale | Compatibility | 
Avoid:
a = [myStruct(:).b];
Instead use:
len = numel(myStruct);
a   = zeros(len);
for iMyStruct = 1:len
  a(iMyStruct) = myStruct(iMyStruct).b;
end