diff --git a/examples/sample1.rs b/examples/sample1.rs
index c367fcb..1982113 100644
--- a/examples/sample1.rs
+++ b/examples/sample1.rs
@@ -301,8 +301,8 @@ pub struct DnsQuestion {
 impl DnsQuestion {
     pub fn new(name: String, qtype: QueryType) -> DnsQuestion {
         DnsQuestion {
-            name: name,
-            qtype: qtype,
+            name,
+            qtype,
         }
     }
 
@@ -353,19 +353,19 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::A {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::UNKNOWN(_) => {
                 buffer.step(data_len as usize)?;
 
                 Ok(DnsRecord::UNKNOWN {
-                    domain: domain,
+                    domain,
                     qtype: qtype_num,
-                    data_len: data_len,
-                    ttl: ttl,
+                    data_len,
+                    ttl,
                 })
             }
         }
diff --git a/examples/sample2.rs b/examples/sample2.rs
index 345291e..aea9745 100644
--- a/examples/sample2.rs
+++ b/examples/sample2.rs
@@ -337,8 +337,8 @@ pub struct DnsQuestion {
 impl DnsQuestion {
     pub fn new(name: String, qtype: QueryType) -> DnsQuestion {
         DnsQuestion {
-            name: name,
-            qtype: qtype,
+            name,
+            qtype,
         }
     }
 
@@ -399,19 +399,19 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::A {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::UNKNOWN(_) => {
                 buffer.step(data_len as usize)?;
 
                 Ok(DnsRecord::UNKNOWN {
-                    domain: domain,
+                    domain,
                     qtype: qtype_num,
-                    data_len: data_len,
-                    ttl: ttl,
+                    data_len,
+                    ttl,
                 })
             }
         }
diff --git a/examples/sample3.rs b/examples/sample3.rs
index fa8c18c..f074ecf 100644
--- a/examples/sample3.rs
+++ b/examples/sample3.rs
@@ -362,8 +362,8 @@ pub struct DnsQuestion {
 impl DnsQuestion {
     pub fn new(name: String, qtype: QueryType) -> DnsQuestion {
         DnsQuestion {
-            name: name,
-            qtype: qtype,
+            name,
+            qtype,
         }
     }
 
@@ -445,9 +445,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::A {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::AAAA => {
@@ -467,9 +467,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::AAAA {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::NS => {
@@ -477,9 +477,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut ns)?;
 
                 Ok(DnsRecord::NS {
-                    domain: domain,
+                    domain,
                     host: ns,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::CNAME => {
@@ -487,9 +487,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut cname)?;
 
                 Ok(DnsRecord::CNAME {
-                    domain: domain,
+                    domain,
                     host: cname,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::MX => {
@@ -498,20 +498,20 @@ impl DnsRecord {
                 buffer.read_qname(&mut mx)?;
 
                 Ok(DnsRecord::MX {
-                    domain: domain,
-                    priority: priority,
+                    domain,
+                    priority,
                     host: mx,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::UNKNOWN(_) => {
                 buffer.step(data_len as usize)?;
 
                 Ok(DnsRecord::UNKNOWN {
-                    domain: domain,
+                    domain,
                     qtype: qtype_num,
-                    data_len: data_len,
-                    ttl: ttl,
+                    data_len,
+                    ttl,
                 })
             }
         }
diff --git a/examples/sample4.rs b/examples/sample4.rs
index cc680de..b828563 100644
--- a/examples/sample4.rs
+++ b/examples/sample4.rs
@@ -362,8 +362,8 @@ pub struct DnsQuestion {
 impl DnsQuestion {
     pub fn new(name: String, qtype: QueryType) -> DnsQuestion {
         DnsQuestion {
-            name: name,
-            qtype: qtype,
+            name,
+            qtype,
         }
     }
 
@@ -445,9 +445,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::A {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::AAAA => {
@@ -467,9 +467,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::AAAA {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::NS => {
@@ -477,9 +477,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut ns)?;
 
                 Ok(DnsRecord::NS {
-                    domain: domain,
+                    domain,
                     host: ns,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::CNAME => {
@@ -487,9 +487,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut cname)?;
 
                 Ok(DnsRecord::CNAME {
-                    domain: domain,
+                    domain,
                     host: cname,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::MX => {
@@ -498,20 +498,20 @@ impl DnsRecord {
                 buffer.read_qname(&mut mx)?;
 
                 Ok(DnsRecord::MX {
-                    domain: domain,
-                    priority: priority,
+                    domain,
+                    priority,
                     host: mx,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::UNKNOWN(_) => {
                 buffer.step(data_len as usize)?;
 
                 Ok(DnsRecord::UNKNOWN {
-                    domain: domain,
+                    domain,
                     qtype: qtype_num,
-                    data_len: data_len,
-                    ttl: ttl,
+                    data_len,
+                    ttl,
                 })
             }
         }
diff --git a/examples/sample5.rs b/examples/sample5.rs
index 63268f8..b2859c1 100644
--- a/examples/sample5.rs
+++ b/examples/sample5.rs
@@ -362,8 +362,8 @@ pub struct DnsQuestion {
 impl DnsQuestion {
     pub fn new(name: String, qtype: QueryType) -> DnsQuestion {
         DnsQuestion {
-            name: name,
-            qtype: qtype,
+            name,
+            qtype,
         }
     }
 
@@ -445,9 +445,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::A {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::AAAA => {
@@ -467,9 +467,9 @@ impl DnsRecord {
                 );
 
                 Ok(DnsRecord::AAAA {
-                    domain: domain,
-                    addr: addr,
-                    ttl: ttl,
+                    domain,
+                    addr,
+                    ttl,
                 })
             }
             QueryType::NS => {
@@ -477,9 +477,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut ns)?;
 
                 Ok(DnsRecord::NS {
-                    domain: domain,
+                    domain,
                     host: ns,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::CNAME => {
@@ -487,9 +487,9 @@ impl DnsRecord {
                 buffer.read_qname(&mut cname)?;
 
                 Ok(DnsRecord::CNAME {
-                    domain: domain,
+                    domain,
                     host: cname,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::MX => {
@@ -498,20 +498,20 @@ impl DnsRecord {
                 buffer.read_qname(&mut mx)?;
 
                 Ok(DnsRecord::MX {
-                    domain: domain,
-                    priority: priority,
+                    domain,
+                    priority,
                     host: mx,
-                    ttl: ttl,
+                    ttl,
                 })
             }
             QueryType::UNKNOWN(_) => {
                 buffer.step(data_len as usize)?;
 
                 Ok(DnsRecord::UNKNOWN {
-                    domain: domain,
+                    domain,
                     qtype: qtype_num,
-                    data_len: data_len,
-                    ttl: ttl,
+                    data_len,
+                    ttl,
                 })
             }
         }