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Rational R1000/400 Tapes

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⟦8535d2e9b⟧ TextFile

    Length: 446 (0x1be)
    Types: TextFile
    Names: »L«

Derivation

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 
└─⟦2f6cfab89⟧ Bits:30000547 8mm tape, Rational 1000, !projects 94-01-04
    └─ ⟦d65440be7⟧ »DATA« 
        └─⟦this⟧

TextFile

package Fifo is
    type Object is private;
    Emptyfifo : constant Object;

    procedure Enqueue (F : in out Object; E : in Integer);
    procedure Dequeue (F : in out Object; E : out Integer);

    Empty : exception;
    Full : exception;

private

    type Cell;
    type Pcell is access Cell;
    type Object is
        record
            Head, Tail : Pcell;
        end record;

    Emptyfifo : constant Object := (null, null);

end Fifo;