Plaster

common-lisp
* (foo 42) ; in: FOO 42 ; (FOO 42) ; ; caught STYLE-WARNING: ; undefined function: COMMON-LISP-USER::FOO ; ; compilation unit finished ; Undefined function: ; FOO ; caught 1 STYLE-WARNING condition debugger invoked on a UNDEFINED-FUNCTION in thread #<THREAD "main thread" RUNNING {1004A88103}>: The function COMMON-LISP-USER::FOO is undefined. Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [CONTINUE ] Retry calling FOO. 1: [USE-VALUE ] Call specified function. 2: [RETURN-VALUE ] Return specified values. 3: [RETURN-NOTHING] Return zero values. 4: [ABORT ] Exit debugger, returning to top level. ("undefined function" 42) 0] (defun foo (x) (* x x)) ; No debug variables for current frame: using EVAL instead of EVAL-IN-FRAME. FOO 0] 0 1764