A.18.13 The Generic Package Containers.Indefinite_Hashed_Maps

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The language-defined generic package Containers.Indefinite_Hashed_Maps provides a map with the same operations as the package Containers.Hashed_Maps (see A.18.5), with the difference that the generic formal types Key_Type and Element_Type are indefinite.

Static Semantics

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The declaration of the generic library package Containers.Indefinite_Hashed_Maps has the same contents and semantics as Containers.Hashed_Maps except:

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The generic formal Key_Type is indefinite.

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The generic formal Element_Type is indefinite.

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The procedure with the profile:

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procedure Insert (Container : in out Map;
                  Key       : in     Key_Type;
                  Position  :    out Cursor;
                  Inserted  :    out Boolean);

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is omitted.

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The actual Element parameter of access subprogram Process of Update_Element may be constrained even if Element_Type is unconstrained.

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The operations Include, Insert, Replace, and Replace_Element that have a formal parameter of type Element_Type perform indefinite insertion (see A.18).

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The description of Tampering_With_Elements_Prohibited is replaced by:

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Returns True if tampering with elements is prohibited for Container, and False otherwise.

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Tampering_With_Cursors_Prohibited is replaced by Tampering_With_Elements_Prohibited in the postcondition for the operations Reference and Constant_Reference.

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The operations Replace and Replace_Element are omitted from the nested package Stable.

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