Update stack_overflow

e2709203 · Yifan Wu · 411cc8c7 · e2709203
隐藏空白更改
内联并排

Showing with 6 addition and 3 deletion

user/src/bin/stack_overflow.rs user/src/bin/stack_overflow.rs +6 -3

未找到文件。
--- a/user/src/bin/stack_overflow.rs
+++ b/user/src/bin/stack_overflow.rs
@@ -4,9 +4,12 @@
 #[macro_use]
 extern crate user_lib;

-fn f(d: usize) {
-    println!("d = {}", d);
-    f(d + 1);
+#[allow(unconditional_recursion)]
+fn f(depth: usize) {
+    if depth % 10 == 0 {
+        println!("depth = {}", depth);
+    }
+    f(depth + 1);
 }

 #[no_mangle]