011-define-mutual.scm (230B)
1 ; Forward references at top level: `a` calls `b` defined later. Works 2 ; because env lookup falls through to symtab[idx].global_val at call 3 ; time, not closure-creation time. 4 (define (a x) (b x)) 5 (define (b x) x) 6 (sys-exit (a 31))