The destructor converting an int64 object to an integer.
The function int64-to-integer
returns an integer integer of type (signed-byte 64)
corresponding to the int64 object int64. The argument int64 can also be an integer of type (signed-byte 64)
, in which case it is simply returned.
An error is signaled if int64 is not of type int64 or (signed-byte 64)
.
See the section Fast 64-bit arithmetic for more information about the INT64 API.
LispWorks User Guide and Reference Manual - 20 Sep 2017