+ (restart-case
+ (error 'print-not-readable :object array)
+ (print-unreadably ()
+ :report "Print unreadably."
+ (let ((*print-readably* nil))
+ (pprint-array stream array)))
+ (use-value (o)
+ :report "Supply an object to be printed instead."
+ :interactive read-unreadable-replacement
+ (write o :stream stream))))