From a3195d440d2f0e99400db78e5a4386691c94a9a0 Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Fri, 3 Nov 2017 00:40:05 -0700
Subject: 4103 - continuations no longer cause memory corruption

---
 continuation2.mu | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 continuation2.mu

(limited to 'continuation2.mu')

diff --git a/continuation2.mu b/continuation2.mu
new file mode 100644
index 00000000..dda9d566
--- /dev/null
+++ b/continuation2.mu
@@ -0,0 +1,27 @@
+# example program showing that a 'paused' continuation can be 'resumed'
+# multiple times from the same point (but with changes to data)
+
+def main [
+  local-scope
+  l:&:list:num <- copy 0
+  l <- push 3, l
+  l <- push 2, l
+  l <- push 1, l
+  k:continuation <- call-with-continuation-mark create-yielder, l
+  {
+    x:num, done?:bool <- call k
+    break-if done?
+    $print x 10/newline
+    loop
+  }
+]
+
+def create-yielder l:&:list:num -> n:num, done?:bool [
+  local-scope
+  load-ingredients
+  return-continuation-until-mark
+  done? <- equal l, 0
+  return-if done?, 0
+  n <- first l
+  l <- rest l
+]
-- 
cgit 1.4.1-2-gfad0