4103 - continuations no longer cause memory corruption

1 files changed, 23 insertions, 0 deletions

diff --git a/continuation1.mu b/continuation1.mu
new file mode 100644
index 00000000..23e92f8f
--- /dev/null
+++ b/continuation1.mu
@@ -0,0 +1,23 @@
+# example program showing that 'return-continuation-until-mark' can 'pause' a
+# function call, returning a continuation, and that calling the continuation
+# can 'resume' the paused function call.
+
+def main [
+  local-scope
+  k:continuation <- call-with-continuation-mark create-yielder
+  {
+    x:num, done?:bool <- call k  # should return 1
+    break-if done?
+    $print x 10/newline
+    loop
+  }
+]
+
+def create-yielder -> n:num, done?:bool [
+  local-scope
+  load-ingredients
+  n <- copy 0
+  return-continuation-until-mark
+  done?:bool <- greater-or-equal n, 3
+  n <- add n, 1
+]