18 lines
393 B
Racket
18 lines
393 B
Racket
#lang br/quicklang
|
|
(provide + *)
|
|
|
|
(define-macro (stackerizer-mb EXPR)
|
|
#'(#%module-begin
|
|
(for-each displayln (reverse (flatten EXPR)))))
|
|
(provide (rename-out [stackerizer-mb #%module-begin]))
|
|
|
|
(define-macro (define-op OP)
|
|
#'(define-macro-cases OP
|
|
[(OP FIRST) #'FIRST]
|
|
[(OP FIRST NEXT (... ...))
|
|
#'(list 'OP FIRST (OP NEXT (... ...)))]))
|
|
|
|
(define-op +)
|
|
(define-op *)
|
|
|