1 files changed, 18 insertions, 0 deletions
diff --git a/examples/sum.lyn b/examples/sum.lyn
new file mode 100644
index 0000000..a4dcf61
--- /dev/null
+++ b/examples/sum.lyn
@@ -0,0 +1,18 @@
+syntax for {init cond post body} {
+	eval init
+	while (eval cond) {
+		eval body
+		eval post
+	}
+}
+
+def sum {n} {
+	require n int
+	let s 0
+	for {let i 0} {< i n} {set i (+ i 1)} {
+		set s (+ s i)
+	}
+	return s
+}
+
+println (sum 1000000)