pull/2/head
Matthew Butterick 9 years ago
parent 5c15093fc9
commit ae24f3a10b

@ -1,31 +0,0 @@
#lang br
(require (for-syntax racket/syntax) rackunit)
(module pred racket
(provide pred? val)
(define val 43)
(define (pred? x) (zero? (modulo x 7))))
(require 'pred)
(define-syntax (foo stx)
(syntax-case stx ()
[(_) #'(if (pred? val)
'yay
'boo)]))
(check-equal? (foo) 'boo)
(define-syntax (foo2 stx)
(syntax-case stx ()
[(_)
(let ()
(local-require (submod "." pred))
(if (syntax-local-eval (syntax-shift-phase-level #'(pred? val) 1))
#''yay
#''boo))]))
(check-equal? (foo2) 'boo)
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