From f7fdeddad231082a2002ec1bf38bfac50f92c12e Mon Sep 17 00:00:00 2001
From: Hongbo Zhang <bobzhang1988@gmail.com>
Date: Tue, 10 Dec 2024 14:53:29 +0800
Subject: [PATCH] add a warning where loop always require arguments

---
 next/language/fundamentals.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/next/language/fundamentals.md b/next/language/fundamentals.md
index 48183759..06d09c17 100644
--- a/next/language/fundamentals.md
+++ b/next/language/fundamentals.md
@@ -748,6 +748,10 @@ A functional loop consumes arguments and returns a value. It is defined using th
 :end-before: end for loop 9
 ```
 
+```{warning}
+Currently in `loop exprs { ... }`, `exprs` is nonempty list, while `for {}` is accepted for inifinite loop.
+```
+
 ## Iterator
 
 An iterator is an object that traverse through a sequence while providing access