Merge pull request #3 from jbr/impl-clone-when-reader-and-writer-are-clone

impl Clone when Reader and Writer are clone

Author: jbr

examples/stdio.rs

@@ -1,6 +1,6 @@
-use async_std::io::{self, BufReader, prelude::*};
-use duplexify::Duplex;
+use async_std::io::{self, prelude::*, BufReader};
 use async_std::task;
+use duplexify::Duplex;
 
 fn main() -> std::io::Result<()> {
     task::block_on(async {

src/lib.rs

@@ -53,10 +53,7 @@ pin_project_lite::pin_project! {
 impl<R, W> Duplex<R, W> {
     /// Create a new instance.
     pub fn new(reader: R, writer: W) -> Self {
-        Self {
-            reader: reader,
-            writer: writer,
-        }
+        Self { reader, writer }
     }
 
     /// Decomposes a duplex into its components.
@@ -107,3 +104,16 @@ impl<R: BufRead, W> BufRead for Duplex<R, W> {
         this.reader.consume(amt)
     }
 }
+
+impl<R, W> Clone for Duplex<R, W>
+where
+    R: Clone,
+    W: Clone,
+{
+    fn clone(&self) -> Self {
+        Self {
+            reader: self.reader.clone(),
+            writer: self.writer.clone(),
+        }
+    }
+}