Updated 'src/concurrency/threads'.

projects/spawn_demo/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "spawn_demo"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

projects/spawn_demo/src/main.rs

@@ -0,0 +1,18 @@
+use std::thread;
+use std::time::Duration;
+
+fn main() {
+    let handle = thread::spawn(|| {
+        for i in 1..10 {
+            println! ("hi，生成的线程中的数字 {i} !");
+            thread::sleep(Duration::from_millis(1));
+        }
+    });
+
+    handle.join().unwrap();
+
+    for i in 1..5 {
+        println! ("hi，主线程中的数字 {i} !");
+        thread::sleep(Duration::from_millis(1));
+    }
+}

projects/threads/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "threads"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

projects/threads/src/main.rs

@@ -0,0 +1,13 @@
+use std::thread;
+
+fn main() {
+    let v = vec! [1, 2, 3];
+
+    let handle = thread::spawn(move || {
+        println! ("这里有个矢量值：{v:?}");
+    });
+
+    drop(v);
+
+    handle.join().unwrap();
+}