The accessor for a simple-int64-vector.
The function int64-aref
is the accessor for a simple-int64-vector. The reader returns an int64 object for the value at index index in vector. The writer sets the value at index index in vector to the int64 object or integer x supplied.
See the section Fast 64-bit arithmetic for more information about the INT64 API.
LispWorks User Guide and Reference Manual - 20 Sep 2017