From d2fcc426ce30ba3cc575949481438fd3069d87f6 Mon Sep 17 00:00:00 2001
From: ray-x <rayx.cn@gmail.com>
Date: Sat, 8 Apr 2023 12:15:46 +1000
Subject: [PATCH] rust sample code

---
 playground/rust/src/main.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/playground/rust/src/main.rs b/playground/rust/src/main.rs
index 876811b..d562115 100755
--- a/playground/rust/src/main.rs
+++ b/playground/rust/src/main.rs
@@ -22,6 +22,16 @@ fn fun1(x: i32, y: i32) {
     println!("The value of x is: {}, y {}", x, y);
 }
 
+impl<Iter> Iterator for Iter
+where Iter: Iterator,
+{
+    type Item = i32;
+    fn next(&mut self) -> Option<i32> {
+        Some(42)
+    }
+}
+
+
 fn add(left: i32, right: i32) -> i32 {
     return left + right;
 }