find the difference between two structures without structdiff in matlab

main.m
function diff = struct_diff(struct1, struct2)
    % Get the fields of both structures
    fields1 = fieldnames(struct1);
    fields2 = fieldnames(struct2);
    
    % Find the fields that are in one structure but not the other
    only_in_struct1 = setdiff(fields1, fields2);
    only_in_struct2 = setdiff(fields2, fields1);
    
    % Initialize the output structure
    diff = struct();
    
    % Iterate over the fields that are in both structures
    for i = 1:length(fields1)
        % Get the field name
        field_name = fields1{i};
        
        % Get the value of the field in both structures
        value1 = struct1.(field_name);
        value2 = struct2.(field_name);
        
        % Compare the values and add to the output structure if they are different
        if ~isequal(value1, value2)
            diff.(field_name) = {value1, value2};
        end
    end
    
    % Add the fields that are only in one structure to the output structure
    for i = 1:length(only_in_struct1)
        field_name = only_in_struct1{i};
        diff.(field_name) = {struct1.(field_name), []};
    end
    for i = 1:length(only_in_struct2)
        field_name = only_in_struct2{i};
        diff.(field_name) = {[], struct2.(field_name)};
    end
end
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