From 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 Mon Sep 17 00:00:00 2001 From: Hunter Kvalevog Date: Fri, 2 Oct 2026 21:53:51 -0500 Subject: rustlings: move to rust/ --- rustlings/exercises/20_threads/threads2.rs | 34 ------------------------------ 1 file changed, 34 deletions(-) delete mode 100644 rustlings/exercises/20_threads/threads2.rs (limited to 'rustlings/exercises/20_threads/threads2.rs') diff --git a/rustlings/exercises/20_threads/threads2.rs b/rustlings/exercises/20_threads/threads2.rs deleted file mode 100644 index 7020cb9..0000000 --- a/rustlings/exercises/20_threads/threads2.rs +++ /dev/null @@ -1,34 +0,0 @@ -// Building on the last exercise, we want all of the threads to complete their -// work. But this time, the spawned threads need to be in charge of updating a -// shared value: `JobStatus.jobs_done` - -use std::{sync::Arc, thread, time::Duration}; - -struct JobStatus { - jobs_done: u32, -} - -fn main() { - // TODO: `Arc` isn't enough if you want a **mutable** shared state. - let status = Arc::new(JobStatus { jobs_done: 0 }); - - let mut handles = Vec::new(); - for _ in 0..10 { - let status_shared = Arc::clone(&status); - let handle = thread::spawn(move || { - thread::sleep(Duration::from_millis(250)); - - // TODO: You must take an action before you update a shared value. - status_shared.jobs_done += 1; - }); - handles.push(handle); - } - - // Waiting for all jobs to complete. - for handle in handles { - handle.join().unwrap(); - } - - // TODO: Print the value of `JobStatus.jobs_done`. - println!("Jobs done: {}", todo!()); -} -- cgit v1.2.3