Update Ch20

This commit is contained in:
Unisko PENG 2023-04-04 16:07:04 +08:00
parent d1fb1500b0
commit 5480f7e67b

View File

@ -1,4 +1,6 @@
#![allow(warnings)]
use std::thread;
pub struct ThreadPool {
threads: Vec<thread::JoinHandle<()>>,
}