and you want insert, in order A, B, C, D, E
                  
                  
                  Your array what should contain?
                  
                  
                  And if you then insert F?
                  
                  
                
[A,B,C,D,E] ^ INSERT OR READ HERE get_last(1) gives E record(F) gives [A,B,C,D,E,F]
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