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- (define-syntax assert
- (syntax-rules (report:)
- ((assert "doit" (expr ...) (r-exp ...))
- (cond
- ((and expr ...) => (lambda (x) x))
- (else
- (error "assertion failure: ~a" (list '(and expr ...) r-exp ...)))))
- ((assert "collect" (expr ...))
- (assert "doit" (expr ...) ()))
- ((assert "collect" (expr ...) report: r-exp ...)
- (assert "doit" (expr ...) (r-exp ...)))
- ((assert "collect" (expr ...) expr1 stuff ...)
- (assert "collect" (expr ... expr1) stuff ...))
- ((assert stuff ...)
- (assert "collect" () stuff ...))))
- (define-syntax assure
- (syntax-rules ()
- ((assure exp error-msg)
- (assert exp report: error-msg))))
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