Using copy trait more often

src/ethernet.rs

@@ -75,7 +75,7 @@ impl Table for SwitchTable {
     #[inline]
     fn learn(&mut self, key: Address, _prefix_len: Option<u8>, addr: SocketAddr) {
         let value = SwitchTableValue{address: addr, timeout: now()+self.timeout as Time};
-        if self.table.insert(key.clone(), value).is_none() {
+        if self.table.insert(key, value).is_none() {
             info!("Learned address {} => {}", key, addr);
         }
     }

src/types.rs

@@ -11,7 +11,7 @@ pub type NetworkId = u64;
 pub type NodeId = [u8; NODE_ID_BYTES];
 
 
-#[derive(PartialOrd, Eq, Ord, Clone, Hash)]
+#[derive(PartialOrd, Eq, Ord, Clone, Hash, Copy)]
 pub struct Address {
     pub data: [u8; 16],
     pub len: u8
@@ -128,7 +128,7 @@ impl FromStr for Address {
 }
 
 
-#[derive(PartialEq, PartialOrd, Eq, Ord, Hash, Clone)]
+#[derive(PartialEq, PartialOrd, Eq, Ord, Hash, Clone, Copy)]
 pub struct Range {
     pub base: Address,
     pub prefix_len: u8
@@ -196,7 +196,7 @@ impl fmt::Display for Type {
 }
 
 
-#[derive(RustcDecodable, Debug)]
+#[derive(RustcDecodable, Debug, Clone, Copy)]
 pub enum Mode {
     Normal, Hub, Switch, Router
 }

src/udpmessage.rs

@@ -10,7 +10,7 @@ pub const VERSION: u8 = 1;
 
 const NETWORK_ID_BYTES: usize = 8;
 
-#[derive(Clone)]
+#[derive(Clone, Copy)]
 #[repr(packed)]
 struct TopHeader {
     magic: [u8; 3],