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Length: 3072 (0xc00) Types: Ada Source Notes: 03_class, FILE, R1k_Segment, e3_tag, generic, package Item_Count, seg_004667
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000 └─ ⟦5a81ac88f⟧ »Space Info Vol 1« └─⟦this⟧
--| @SUMMARY Provides the ability to count the number of occurances --| of an item. --| @INDICES (COUNTING) with Map_Generic; generic Size : Positive; type Item is private; with function Hash (An_Item : Item) return Integer; package Item_Count is type Data_Base is private; procedure Initialize (Db : in out Data_Base); --| @DESCRIPTION Adds the item if it is new and sets it count to 1 --| Increments the count if it is not new. --| procedure Add (An_Item : Item; To : in out Data_Base); type Item_Iterator is private; function Done (Iter : Item_Iterator) return Boolean; function Value (Iter : Item_Iterator) return Item; procedure Next (Iter : in out Item_Iterator); --| @DESCRIPTION Returns the number of times the item was added to --| the database --| @RAISES (Item_Not_Found) function Total (For_Item : Item; From : Data_Base) return Positive; --| @DESCRIPTION Raised if the item has never been added to the database Item_Not_Found : exception; private type Data is range 1 .. Integer'Last; package Data_Map is new Map_Generic (Size, Item, Data, Hash); type Data_Base is new Data_Map.Map; type Item_Iterator is new Data_Map.Iterator; end Item_Count;
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