# Pastebin bFeSLNpX
gdl-user> (describe (make-instance 'condition))
#<condition @ #x100e5167e2> is an instance of
    #<standard-class condition>:
 The following slots have :instance allocation:
  excl::format-control   <unbound>
  excl::format-arguments nil
  excl::plist            nil
; No value