Writer for tar nodes takes &self instead of self

src/tar/node.rs

@@ -23,11 +23,11 @@ impl Node {
 
     /// Write out a single file within the tar to a file or something with a
     /// ``std::io::Write`` trait.
-    pub fn write<T: io::Write>(self, mut input: T) -> Result<usize, Error> {
+    pub fn write<T: io::Write>(&self, mut input: T) -> Result<usize, Error> {
         input.write_all(&self.header.to_bytes()?)?;
         let mut written = 512;
-        for d in self.data {
-            input.write_all(&d)?;
+        for d in &self.data {
+            input.write_all(d)?;
             written += d.len();
         }