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Associative array/Iteration: Difference between revisions
→{{header|MATLAB}} / {{header|Octave}}: associative arrays can be built with structs
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end fn
</lang>
=={{header|MATLAB}} / {{header|Octave}}==
Associative arrays are not native to Matlab and Octave, but one can (mis-)use "struct" as an associative array.
<lang Matlab> s.a = 1;
s.b = 2;
s.C = [3,4,5];
keys = fieldnames(s);
for k=1:length(keys),
key = keys{k};
value = getfield(s,key); % get value of key
disp(value);
s = setfield(s,key,-value); % set value of key
end;
disp(s) </lang>
Output:
<pre> 1
2
3 4 5
>> disp(s)
scalar structure containing the fields:
a = -1
b = -2
C =
-3 -4 -5</pre>
=={{header|Objective-C}}==
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