14 lines
252 B
Scheme
14 lines
252 B
Scheme
(library
|
|
(loops)
|
|
(export upto)
|
|
(import (rnrs))
|
|
|
|
(define-syntax upto
|
|
(syntax-rules ()
|
|
((_ (var count) body ...)
|
|
(let loop ((var 0))
|
|
(when (< var count)
|
|
(begin body ...)
|
|
(loop (+ 1 var))))))))
|
|
|