Function: COMMON-LISP:FUNCTION-LAMBDA-EXPRESSION

Return (VALUES DEFINING-LAMBDA-EXPRESSION CLOSURE-P NAME), where DEFINING-LAMBDA-EXPRESSION is NIL if unknown, or a suitable argument to COMPILE otherwise, CLOSURE-P is non-NIL if the function’s definition might have been enclosed in some non-null lexical environment, and NAME is some name (for debugging only) or NIL if there is no name.

Lambda list

(sb-impl::fun)