chore: reorg

__std/thread/Cargo.lock

@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "thread-test"
+version = "0.1.0"

__std/thread/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "thread-test"
+version = "0.1.0"
+authors = ["Hatter Jiang@Pixelbook <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

__std/thread/src/main.rs

@@ -0,0 +1,38 @@
+use std::{
+    thread,
+    sync::{ Arc, Mutex, },
+    time::Duration,
+};
+
+fn sleep_sort(in_vec: Vec<u8>) -> Vec<u8> {
+    let out_vec = Arc::new(Mutex::new(vec![]));
+
+    let mut all_threads = vec![];
+    for i in in_vec {
+        let o_vec = out_vec.clone();
+        let child = thread::spawn(move || {
+            thread::sleep(Duration::from_millis(i as u64));
+            let mut v = o_vec.lock().unwrap();
+            v.push(i);
+        });
+        all_threads.push(child);
+    }
+    for t in all_threads {
+        t.join().ok();
+    }
+
+    let v = out_vec.lock().unwrap();
+    v.to_vec()
+}
+
+// sleep sort
+fn main() {
+    let in_vec = vec![2, 1, 5, 10, 7];
+    let out_vec = sleep_sort(in_vec);
+
+    out_vec.iter().for_each(|i| println!("{}", i));
+
+    println!("Finished!");
+}
+
+