From aaac4825ec0f638b07e6772829bc25a26f677863 Mon Sep 17 00:00:00 2001
From: cezarbbb <105843128+cezarbbb@users.noreply.github.com>
Date: Mon, 18 Jul 2022 09:46:46 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=200078.=E5=AD=90=E9=9B=86=20?=
 =?UTF-8?q?Rust=E7=89=88=E6=9C=AC?=
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添加 0078.子集 Rust版本
---
 problems/0078.子集.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/problems/0078.子集.md b/problems/0078.子集.md
index e6cc668b..3e98311e 100644
--- a/problems/0078.子集.md
+++ b/problems/0078.子集.md
@@ -292,6 +292,30 @@ function subsets(nums: number[]): number[][] {
 };
 ```
 
+## Rust
+
+```Rust
+impl Solution {
+    fn backtracking(result: &mut Vec<Vec<i32>>, path: &mut Vec<i32>, nums: &Vec<i32>, start_index: usize) {
+        result.push(path.clone());
+        let len = nums.len();
+        // if start_index >= len { return; }
+        for i in start_index..len {
+            path.push(nums[i]);
+            Self::backtracking(result, path, nums, i + 1);
+            path.pop();
+        }
+    }
+
+    pub fn subsets(nums: Vec<i32>) -> Vec<Vec<i32>> {
+        let mut result: Vec<Vec<i32>> = Vec::new();
+        let mut path: Vec<i32> = Vec::new();
+        Self::backtracking(&mut result, &mut path, &nums, 0);
+        result
+    }
+}
+```
+
 ## C
 
 ```c