MATLAB: How to iterate over the keys and elements in a containers.Map

containers.map iterate

D = containers.Map('air',1)
for k = keys(D)
    D(k)
end
Error using containers.Map/subsref
Specified key type does not match the type expected for this container.
Why does the above cause an error?

Best Answer

D = containers.Map({'2R175', 'B7398', 'A479GY', 'NZ1452'}, ...
    {'James Enright', 'Carl Haynes', 'Sarah Latham', ...
     'Bradley Reid'});
 k = keys(D) ;
 val = values(D) ;
 for i = 1:length(D)
     [k{i} val{i}]
 end
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