remove dummy code & update version to 0.2.1

examples/downcast.rs

@@ -1,7 +1,6 @@
 // Import macro via `macro_use` pre-1.30.
 
-extern crate cast_rs;
-use cast_rs::downcast::*;
+use cast_rs::downcast_rs::*;
 
 // To create a trait with downcasting methods, extend `Downcast` and run
 // `impl_downcast!()` on the trait.

examples/hex.rs

@@ -1,12 +1,7 @@
-use cast_rs::hexcast;
+use cast_rs::hex;
 
 fn main() {
-    assert_eq!(
-            hexcast::decode("48656c6c6f20776f726c6421"),
-            Ok("Hello world!".to_owned().into_bytes())
-            );
-
-   assert_eq!(hexcast::encode(vec![1, 2, 3, 15, 16]), "0102030f10");
-
-   assert_eq!(hexcast::encode("Hello world!"), "48656c6c6f20776f726c6421");
+    assert_eq!(hex::decode("48656c6c6f20776f726c6421"), Ok("Hello world!".to_owned().into_bytes()));
+    assert_eq!(hex::encode(vec![1, 2, 3, 15, 16]), "0102030f10");
+    assert_eq!(hex::encode("Hello world!"), "48656c6c6f20776f726c6421");
 }

examples/slicecast.rs

@@ -1,7 +1,7 @@
-use cast_rs::slicecast;
+use cast_rs::slice_cast;
 
 fn main() {
     let foo: [u8; 4] = [1, 0, 0, 0];
-    let bar: &u32 = unsafe { slicecast::cast_to(&foo) };
+    let bar: &u32 = unsafe { slice_cast::cast_to(&foo) };
     println!("{}", bar);
 }

src/lib.rs

@@ -1,15 +1,3 @@
-extern crate hex;
-extern crate downcast_rs;
-extern crate slice_cast;
-
-pub mod hexcast {
-    pub use hex::*;
-}
-
-pub mod downcast {
-     pub use downcast_rs::*;
-}
-
-pub mod slicecast {
-    pub use slice_cast::*;
-}
+pub use hex;
+pub use downcast_rs;
+pub use slice_cast;