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