From b982fdf331f2abf99a8296dbadc922fa9a692540 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sun, 17 Apr 2022 11:34:03 +0800
Subject: [PATCH] refactor: use if/else

---
 src/matrix/m_replace.scad | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/matrix/m_replace.scad b/src/matrix/m_replace.scad
index 2532ecab..fbc7dd32 100644
--- a/src/matrix/m_replace.scad
+++ b/src/matrix/m_replace.scad
@@ -3,14 +3,14 @@ function m_replace(m, x, y, value) =
 		rowY = m[y],
         leng_rowY = len(rowY),
 		newRowY = [
-			each [for(i = 0; i < x; i = i + 1) rowY[i]],
-			value,
-			each [for(i = x + 1; i < leng_rowY; i = i + 1) rowY[i]]
-		],
+            for(i = [0:leng_rowY - 1]) 
+            if(i == x) value
+            else rowY[i]
+        ],
         row_leng = len(m)
 	)
     [
-        each [for(i = 0; i < y; i = i + 1) m[i]],
-        newRowY,
-        each [for(i = y + 1; i < row_leng; i = i + 1) m[i]]
-    ];
\ No newline at end of file
+        for(i = [0:row_leng - 1])
+        if(i == y) newRowY
+        else m[i]
+    ];