From be8e51d92043b8f186c6bf84ae163bd209ff5f6d Mon Sep 17 00:00:00 2001
From: shikong <919411476@qq.com>
Date: Tue, 12 Nov 2024 23:09:12 +0800
Subject: [PATCH] =?UTF-8?q?docs:=20=20defer=20=E5=AE=9E=E7=8E=B0=E6=95=B0?=
 =?UTF-8?q?=E7=BB=84=E5=8F=8D=E8=BD=AC?=
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---
 base/array/reverse/main.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 base/array/reverse/main.go

diff --git a/base/array/reverse/main.go b/base/array/reverse/main.go
new file mode 100644
index 0000000..b3d303e
--- /dev/null
+++ b/base/array/reverse/main.go
@@ -0,0 +1,24 @@
+package main
+
+import "fmt"
+
+// 反转数组
+// 利用 defer 后进先出 特性实现
+func reverse(arr []int) (reverse_arr []int) {
+	reverse_arr = make([]int, 0, len(arr))
+	for i := 0; i < len(arr); i++ {
+		// 多个defer 语句，后进先出执行
+		// 实现将数组的元素逆序存入新的数组中
+		defer func(v int) {
+			reverse_arr = append(reverse_arr, v)
+		}(arr[i])
+	}
+
+	return
+}
+
+func main() {
+	arr := [...]int{1, 2, 3, 4, 5}
+	fmt.Println("arr: ", arr)
+	fmt.Println("reverse(arr): ", reverse(arr[:]))
+}