From 920ed83bf4ea31802b8df73a3274c5010564d20e Mon Sep 17 00:00:00 2001
From: irving ou <jou@devolutions.net>
Date: Thu, 25 Jan 2024 12:19:08 -0500
Subject: [PATCH] update example

update example
---
 examples/tcp_client.rs | 31 ++++++++++++-------------------
 1 file changed, 12 insertions(+), 19 deletions(-)

diff --git a/examples/tcp_client.rs b/examples/tcp_client.rs
index aa9d708..7637638 100644
--- a/examples/tcp_client.rs
+++ b/examples/tcp_client.rs
@@ -11,30 +11,23 @@ fn main() -> io::Result<()> {
     }
     let addr = net::SocketAddr::new(net::Ipv4Addr::LOCALHOST.into(), 8080);
     socket.set_nonblocking(true)?;
-    let res = socket.connect(&addr.into());
+    let _ = socket.connect(&addr.into());
 
     let mut events = polling::Events::new();
-    // while let Err(ref e) = res {
-        // if e.kind() != io::ErrorKind::WouldBlock {
-        //     return Err(io::Error::new(e.kind(), e.to_string()));
-        // }
 
-        events.clear();
-        poller.wait(&mut events, None)?;
+    events.clear();
+    poller.wait(&mut events, None)?;
 
-        let event = events.iter().next();
-        if event.is_none() {
-            println!("no event");
-            // break;
-        }
+    let event = events.iter().next();
+    let Some(event) = event else {
+        println!("no event");
+        return Ok(());
+    };
 
-        let event = event.unwrap();
-        println!("event: {:?}", event);
-        if event.is_connect_failed() {
-            println!("connect failed");
-            // break;
-        }
-    // }
+    println!("event: {:?}", event);
+    if event.is_connect_failed() {
+        println!("connect failed");
+    }
 
     Ok(())
 }