删除之前错误添加的extern crate rand

This commit is contained in:
Lam 2018-12-07 18:51:14 +08:00
parent 0bac596862
commit de19c2f1dd

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@ -349,8 +349,6 @@ rand = "0.4.0"
<span class="filename">文件名: src/main.rs</span> <span class="filename">文件名: src/main.rs</span>
```rust,ignore ```rust,ignore
extern crate rand;
use std::io; use std::io;
use rand::Rng; use rand::Rng;