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Annotation of 43BSD/contrib/icon/book/07/fib2.icn, revision 1.1.1.1

1.1       root        1: procedure fib(i)
                      2:    static fibmem
                      3:    local j
                      4:    initial {
                      5:       fibmem := table()
                      6:       fibmem[1] := fibmem[2] := 1
                      7:       }
                      8:    if j := \fibmem[i] then return j
                      9:    else return fibmem[i] := fib(i - 1) + fib(i - 2)
                     10: end

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