From 710d0cec8854a4e89f4948d49e614f286913f711 Mon Sep 17 00:00:00 2001
From: Jose Antonio Ortega Ruiz <jao@gnu.org>
Date: Thu, 2 Jul 2009 05:29:04 +0200
Subject: Simpler, nicer, more efficient handling of evaluation results. It
 comes with a pony too.

---
 scheme/plt/geiser/eval.ss | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'scheme/plt')

diff --git a/scheme/plt/geiser/eval.ss b/scheme/plt/geiser/eval.ss
index 435b73b..5ae81ed 100644
--- a/scheme/plt/geiser/eval.ss
+++ b/scheme/plt/geiser/eval.ss
@@ -49,8 +49,12 @@
   (set! last-result `((error (key . ,(exn-key e)))))
   (display (exn-message e)))
 
-(define (set-last-result v . vs)
-  (set! last-result `((result  ,v ,@vs))))
+(define (write-value v)
+  (with-output-to-string
+    (lambda () (write v))))
+
+(define (set-last-result . vs)
+  (set! last-result `((result  ,@(map write-value vs)))))
 
 (define (eval-in form spec)
   (set-last-result (void))
-- 
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