add thread test

thread-test/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]

thread-test/src/main.rs

@@ -0,0 +1,10 @@
+use std::thread;
+
+// https://zhuanlan.zhihu.com/p/89716165
+fn main() {
+    let child = thread::spawn(move || {
+        println!("Hello World!");
+    });
+    let _res = child.join().unwrap();
+    println!("Finished!");
+}