From 60a29456ece193a2911968e790ead3eb01123339 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Tue, 14 Apr 2020 00:08:57 +0200
Subject: [PATCH] libasync: change TcpStream::listen() callback constraint from
 Copy to Clone

---
 libasync/src/smoltcp/tcp_stream.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libasync/src/smoltcp/tcp_stream.rs b/libasync/src/smoltcp/tcp_stream.rs
index 9d2e57c..4fed9ef 100644
--- a/libasync/src/smoltcp/tcp_stream.rs
+++ b/libasync/src/smoltcp/tcp_stream.rs
@@ -82,10 +82,11 @@ impl TcpStream {
     /// handshaking. Spawns additional tasks for each connection.
     pub fn listen<F, R, T>(port: u16, rx_bufsize: usize, tx_bufsize: usize, backlog: usize, f: F)
     where
-        F: Fn(Self) -> R + Copy + 'static,
+        F: Fn(Self) -> R + Clone + 'static,
         R: Future<Output = T> + 'static,
     {
         for _ in 0..backlog {
+            let f = f.clone();
             task::spawn(async move {
                 loop {
                     // Wait for new connection