From b37d0d0cd6d0f9cb26df1d64caf3e99cb9f37d98 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 27 Feb 2016 22:38:44 -0500
Subject: fixup packed record type

---
 sly/records.scm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sly/records.scm b/sly/records.scm
index 3ac2fda..ae6d182 100644
--- a/sly/records.scm
+++ b/sly/records.scm
@@ -81,8 +81,13 @@ overridden."
         ...
         (display " >" port)))
 
-    (define-inlinable (constructor field ...)
-      (box (f64vector field ...)))
+    (define constructor
+      (let ((size (length (list 'field ...))))
+        (lambda (field ...)
+          (let ((bv (make-f64vector size)))
+            (f64vector-set! bv index field)
+            ...
+            (box bv)))))
 
     (define-inlinable (getter obj)
       (f64vector-ref (unbox obj) index))
-- 
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