Generic Program Units
Subprograms and packages can be generic. Generic program units are templates of program units and are often parameterized. Being templates, they cannot be used directly as ordinary subprograms or packages; for example a generic subprogram cannot be called. Instances (that is, copies) of the template are obtained by generic instantiation. The resulting subprograms and packages are ordinary program units, which can be used directly.
KeywordsActual Type Generic Parameter Generic Part Generic Package Match Rule
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