wolffd@0: function val = subsref(A, S)
wolffd@0: % SUBSREF Subscript reference for an associative array
wolffd@0: % A('foo') will return the value associated with foo.
wolffd@0: % If there are multiple identicaly keys, the first match is returned.
wolffd@0: % Currently the search is sequential.
wolffd@0: 
wolffd@0: i = 1;
wolffd@0: while i <= length(A.keys)
wolffd@0:   if strcmp(S.subs{1}, A.keys{i})
wolffd@0:     val = A.vals{i};
wolffd@0:     return;
wolffd@0:   end
wolffd@0:   i = i + 1;
wolffd@0: end
wolffd@0: error(['can''t find ' S.subs{1}])