Update examples

Author: zgtm

examples/hitcounter.rs

@@ -5,7 +5,7 @@ use iron::prelude::*;
 
 use persistent::Write;
 use iron::typemap::Key;
-use iron::{status};
+use iron::StatusCode;
 
 #[derive(Copy, Clone)]
 pub struct HitCounter;
@@ -17,12 +17,12 @@ fn serve_hits(req: &mut Request) -> IronResult<Response> {
     let mut count = mutex.lock().unwrap();
 
     *count += 1;
-    Ok(Response::with((status::Ok, format!("Hits: {}", *count))))
+    Ok(Response::with((StatusCode::OK, format!("Hits: {}", *count))))
 }
 
 fn main() {
     let mut chain = Chain::new(serve_hits);
     chain.link(Write::<HitCounter>::both(0));
-    Iron::new(chain).http("localhost:3000").unwrap();
+    Iron::new(chain).http("localhost:3000");
 }
 

examples/variable_passing.rs

@@ -7,7 +7,7 @@ use iron::prelude::*;
 
 use persistent::Read;
 use iron::typemap::Key;
-use iron::{status};
+use iron::StatusCode;
 
 #[derive(Copy, Clone)]
 pub struct Log;
@@ -18,14 +18,14 @@ fn serve_hits(req: &mut Request) -> IronResult<Response> {
     let arc = req.get::<Read<Log>>().unwrap();
     let log_path = arc.as_ref();
 
-    Ok(Response::with((status::Ok, format!("Hits: {}", log_path))))
+    Ok(Response::with((StatusCode::OK, format!("Hits: {}", log_path))))
 }
 
 fn main() {
     // This can be passed from command line arguments for example.
     let log_path = String::from("/path/to/a/log/file.log");
     let mut chain = Chain::new(serve_hits);
     chain.link(Read::<Log>::both(log_path));
-    Iron::new(chain).http("localhost:3000").unwrap();
+    Iron::new(chain).http("localhost:3000");
 }