Plaster

common-lisp
CL-USER> (unintern :test (find-package :keyword)) T CL-USER> (find 3 '(1 2 3 4 5) :test #'=) debugger invoked on a UNKNOWN-KEYWORD-ARGUMENT in thread #<THREAD "main thread" RUNNING {1000508083}>: Unknown &KEY argument: :TEST Type HELP for debugger help, or (SB-EXT:EXIT) to exit from SBCL. restarts (invokable by number or by possibly-abbreviated name): 0: [CONTINUE] Ignore all unknown keywords 1: [ABORT ] Exit debugger, returning to top level. (FIND 3 (1 2 3 4 5) :TEST #<FUNCTION =>) [more]