codespaces devcontainer

.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+{
+  "name": "Rust Workshop",
+  "image": "mcr.microsoft.com/devcontainers/rust:1-bullseye",
+  "features": {
+    "ghcr.io/devcontainers/features/git:1": {}
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "rust-lang.rust-analyzer",
+        "vadimcn.vscode-lldb",
+        "tamasfe.even-better-toml",
+        "humao.rest-client"
+      ],
+      "settings": {
+        "editor.formatOnSave": true,
+        "rust-analyzer.check.command": "clippy"
+      }
+    }
+  },
+  "postCreateCommand": "cargo build",
+  "forwardPorts": [7878],
+  "portsAttributes": {
+    "7878": {
+      "label": "HTTP Server",
+      "onAutoForward": "notify"
+    }
+  }
+}

src/main.rs

@@ -44,6 +44,14 @@ impl ThreadPool {
         }
         Self { workers, sender }
     }
+
+    pub fn execute<F>(&self, f: F)
+    where
+        F: FnOnce() + Send + 'static,
+    {
+        let job = Box::new(f);
+        self.sender.send(job).unwrap();
+    }
 }
 
 type Job = Box<dyn FnOnce() + Send + 'static>;
@@ -54,9 +62,7 @@ fn main() -> std::io::Result<()> {
     let pool = ThreadPool::new(4);
     for stream in listener.incoming() {
         let stream = stream?;
-        thread::spawn(|| {
-            handle_connection(stream).unwrap();
-        });
+        pool.execute(|| handle_connection(stream).unwrap());
     }
     Ok(())
 }