From 6f65c84e36e8f8c86a199b278f7e4efcd0d888b4 Mon Sep 17 00:00:00 2001
From: sjinzh <99076655+sjinzh@users.noreply.github.com>
Date: Fri, 13 Jan 2023 23:40:37 +0800
Subject: [PATCH] add zig codes for Section 'Hash Map' and 'Linear Search'

---
 codes/zig/chapter_searching/linear_search.zig | 3 ++-
 codes/zig/include/ListNode.zig                | 1 +
 codes/zig/include/TreeNode.zig                | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/codes/zig/chapter_searching/linear_search.zig b/codes/zig/chapter_searching/linear_search.zig
index a2e7c2a4..3ba21313 100644
--- a/codes/zig/chapter_searching/linear_search.zig
+++ b/codes/zig/chapter_searching/linear_search.zig
@@ -47,7 +47,8 @@ pub fn main() !void {
     const mem_allocator = mem_arena.allocator();
     var head = try inc.ListUtil.listToLinkedList(i32, mem_allocator, nums);
     var node = linearSearchLinkedList(i32, head, target);
-    std.debug.print("目标结点值 3 的对应结点对象为 {any}", .{node});
+    std.debug.print("目标结点值 3 的对应结点对象为 ", .{});
+    try inc.PrintUtil.printLinkedList(i32, node);
 
     const getchar = try std.io.getStdIn().reader().readByte();
     _ = getchar;
diff --git a/codes/zig/include/ListNode.zig b/codes/zig/include/ListNode.zig
index f15ec662..da7e667c 100644
--- a/codes/zig/include/ListNode.zig
+++ b/codes/zig/include/ListNode.zig
@@ -16,6 +16,7 @@ pub fn ListNode(comptime T: type) type {
         // Initialize a list node with specific value
         pub fn init(self: *Self, x: i32) void {
             self.val = x;
+            self.next = null;
         }
     };
 }
diff --git a/codes/zig/include/TreeNode.zig b/codes/zig/include/TreeNode.zig
index 12af9e8f..0c6bbf73 100644
--- a/codes/zig/include/TreeNode.zig
+++ b/codes/zig/include/TreeNode.zig
@@ -17,6 +17,8 @@ pub fn TreeNode(comptime T: type) type {
         // Initialize a tree node with specific value
         pub fn init(self: *Self, x: i32) void {
             self.val = x;
+            self.left = null;
+            self.right = null;
         }
     };   
 }
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