Questions about Ada's allocator and "run-time" instantiations

[GDAU100@BGUVM.BITNET ("Jonathan B. Owen")]

Two questions:


    1.  Can anyone elaborate or refer me to the appropriate literature
        on how Ada allocates memory for access types.  Specifically,
        if I have an access type to an unconstrained string, how
        is the memory reused once I deallocate objects using
        "unchecked_deallocation"?

    2.  If I have an instantiation of a generic package within a procedure
        which depends on a dynamic type (say, a subtype depending on a
        procedure's variable), exactly when is the instantiation done,
        and how may times?  Each time the procedure is invokes?


                           Thank you for any help...

                                                    Jonathan

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