exercise-7.scm (464B)
1 (define-library (sicp solutions chapter-3 exercise-7) 2 (import (scheme base)) 3 (export 4 make-joint 5 ) 6 7 (begin 8 (define (make-joint password-protected-account password-protected-account-password new-password) 9 (lambda (whisper m) 10 (if (eq? whisper new-password) 11 (begin 12 (password-protected-account 13 password-protected-account-password 14 m)) 15 (lambda x "Incorrect password"))))))