11 lines
432 B
Racket
11 lines
432 B
Racket
#lang br
|
|
(provide (rename-out [simple-module-begin #%module-begin])
|
|
#%datum #%top-interaction)
|
|
(define #'(simple-module-begin expr ...)
|
|
#'(#%module-begin
|
|
(define lines (list expr ...))
|
|
(display (format "Expressions = ~a" (length lines)))
|
|
(define numbers (filter number? lines))
|
|
(unless (zero? (length numbers))
|
|
(displayln (format ", numbers = ~a" (length numbers)))
|
|
(apply + numbers)))) |