use mopa crate to implement downcastng

Cargo.toml

@@ -17,3 +17,4 @@ select = "0.3.0"
 hyper = "0.9.18"
 serde_json = "0.9"
 retry = { git = "https://github.com/jimmycuadra/retry", rev = "3fa812e650d64ede61ea243fb83ef1a222ff0f84" }
+mopa = "0.2.2"

src/lib.rs

@@ -3,9 +3,13 @@ extern crate select;
 extern crate serde_json;
 extern crate retry;
 
+#[macro_use]
+extern crate mopa;
+
 pub mod searchers;
 
-use std::any::Any;
+//use std::any::Any;
+use mopa::Any;
 
 pub trait Link: Any {
     fn label (&self) -> &str;
@@ -13,6 +17,8 @@ pub trait Link: Any {
     fn as_any(&self) -> &Any;
 }
 
+mopafy!(Link);
+
 impl Link for Box<Link + 'static> {
     fn label (&self) -> &str {
         (**self).label()

src/main.rs

@@ -21,11 +21,12 @@ fn main () {
     searchers.add_searcher("gp", Box::new(MediawikiSearcher::new(String::from("https://gammapedia.monarch-pass.net/wiki/"))));
     searchers.add_searcher("ip", Box::new(MediawikiSearcher::new(String::from("http://infinitypedia.org/wiki/"))));
     searchers.add_searcher("wp", Box::new(MediawikiSearcher::new(String::from("https://en.wikipedia.org/wiki/"))));
+
     match searchers.exact_search(&term) {
         Some(item) => {
-            if let Some(card) = item.as_any().downcast_ref::<MtgCard>() {
+            if let Some(card) = item.downcast_ref::<MtgCard>() {
                 println!("{:?}", card);
-            } else if let Some(card) = item.as_any().downcast_ref::<YugiohCard>() {
+            } else if let Some(card) = item.downcast_ref::<YugiohCard>() {
                 println!("{:?}", card);
             } else {
                 println!("{}: {}", item.label(), item.url());

src/searchers/mediawiki.rs

@@ -15,7 +15,8 @@ use retry::delay::Fixed;
 use std;
 use std::io::Read;
 
-use std::any::Any;
+//use std::any::Any;
+use mopa::Any;
 
 const NUM_RETRIES: usize = 10;
 const RETRY_WAIT_MILLIS: u64 = 500;

src/searchers/mtg.rs

@@ -14,7 +14,8 @@ use retry::delay::Fixed;
 use std;
 use std::io::Read;
 
-use std::any::Any;
+//use std::any::Any;
+use mopa::Any;
 
 const NUM_RETRIES: usize = 10;
 const RETRY_WAIT_MILLIS: u64 = 500;

src/searchers/yugioh.rs

@@ -14,7 +14,8 @@ use retry::delay::Fixed;
 use std;
 use std::io::Read;
 
-use std::any::Any;
+//use std::any::Any;
+use mopa::Any;
 
 const NUM_RETRIES: usize = 10;
 const RETRY_WAIT_MILLIS: u64 = 500;