---
title: clear
description: "清空SVector中所有元素。"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/ascendtb/ascendtb_01_0028.html
sourcePath: /source/zh/canncommercial/900/API/ascendtb/ascendtb_01_0028.html
indexId: ff9052c2011e79af3578ddd1cdda379b23302386d163fc4814dad50fbae834c464
---
# clear

#### 功能说明

清空SVector中所有元素。


#### 定义

```
void clear() noexcept
```