(:macro (format s "Macro-function: ~S" x))
(:function (format s "Function: ~S" x))
((nil) (format s "~S is a function." x)))
- (case (get-type x)
+ (case (widetag-of x)
(#.sb-vm:closure-header-widetag
(%describe-function-compiled (%closure-fun x) s kind name)
(format s "~@:_Its closure environment is:")