From ede48ef3a7373b8a2b81ce9bfb6dcd694ce5f8cb Mon Sep 17 00:00:00 2001
From: Shinya Sato <shinnya.sato@gmail.com>
Date: Thu, 29 Dec 2022 23:55:05 +0900
Subject: Update Changelog.md

---
 Changelog.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Changelog.md')

diff --git a/Changelog.md b/Changelog.md
index 1de59b8..19e062c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -23,7 +23,11 @@
   >>>
   ```
 
-  
+- **New sample programs**: Two programs of *higher-order operations* are joined in sample programs:
+
+  - `map.in`: It explains how map operation can be performed with built-in and not built-in agent and `%` notation.
+  - `reduce.in`: Here, Foldr and Foldl are realised.
+
 
 
 
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