function that returns first element of cell and deletes it in matlab

main.m
function firstElem = removeFirstElement(cellArray)
% REMOVEFIRSTELEMENT Remove and return the first element of a cell array.
%   firstElem = REMOVEFIRSTELEMENT(cellArray) removes the first element of
%   cellArray and returns it in firstElem. The function modifies cellArray
%   in place by deleting the first element using the {} operator.

% Check input argument
if ~iscell(cellArray)
    error('Input argument must be a cell array.');
end

% Check if cell array is empty
if isempty(cellArray)
    error('Cell array is empty.');
end

% Remove first element and return it
firstElem = cellArray{1};
cellArray(1) = [];

end
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main.m
>> myCell = {'apple', 'banana', 'cherry'};
>> firstFruit = removeFirstElement(myCell);
>> disp(firstFruit)
apple
>> disp(myCell)
    'banana'    'cherry'
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