updates to IterBridge + add ParallelBridge to prelude

Author: QuietMisdreavus

src/iter/par_bridge.rs

@@ -64,7 +64,7 @@ impl<T: Iterator + Send> ParallelBridge for T
 /// [`ParallelBridge`] documentation for details.
 ///
 /// [`ParallelBridge`]: trait.ParallelBridge.html
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct IterBridge<Iter> {
     iter: Iter,
 }

src/prelude.rs

@@ -9,6 +9,7 @@ pub use iter::IntoParallelRefMutIterator;
 pub use iter::IndexedParallelIterator;
 pub use iter::ParallelExtend;
 pub use iter::ParallelIterator;
+pub use iter::ParallelBridge;
 pub use slice::ParallelSlice;
 pub use slice::ParallelSliceMut;
 pub use str::ParallelString;