From 6f60d2a260e94a8331eb5024a6cb785371cbf209 Mon Sep 17 00:00:00 2001
From: Ivan Tham <pickfire@riseup.net>
Date: Sun, 13 Jan 2019 02:23:14 +0800
Subject: [PATCH] Get center af values without calc

---
 tikz/singly-linked-list/singly-linked-list.tex | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tikz/singly-linked-list/singly-linked-list.tex b/tikz/singly-linked-list/singly-linked-list.tex
index 7820106..2577b13 100644
--- a/tikz/singly-linked-list/singly-linked-list.tex
+++ b/tikz/singly-linked-list/singly-linked-list.tex
@@ -3,7 +3,7 @@
 \setlength\PreviewBorder{2mm}
 
 \usepackage{tikz}
-\usetikzlibrary{calc,shapes.multipart,chains,arrows}
+\usetikzlibrary{shapes.multipart,chains,arrows}
 
 \tikzset{
     squarecross/.style={
@@ -36,9 +36,9 @@
   \node[list,on chain] (B) {99};
   \node[list,on chain] (C) {37};
   \node[squarecross]   (D) [right=of C] {};
-  \draw[*->] let \p1 = (A.two), \p2 = (A.center) in (\x1,\y2) -- (B);
-  \draw[*->] let \p1 = (B.two), \p2 = (B.center) in (\x1,\y2) -- (C);
-  \draw[*->] let \p1 = (C.two), \p2 = (C.center) in (\x1,\y2) -- (D);
+  \draw[*->] (A.two |- A.center) -- (B);
+  \draw[*->] (B.two |- B.center) -- (C);
+  \draw[*->] (C.two |- C.center) -- (D);
 \end{tikzpicture}
 \end{preview}
 \end{document}