From a5894ff91da1f553419031c064671202f2c977ac Mon Sep 17 00:00:00 2001
From: Bryan Newbold <bnewbold@robocracy.org>
Date: Sun, 29 Oct 2017 18:23:34 -0700
Subject: squelch some 'unused' warnings

---
 src/drive.rs    | 20 ++++++++++----------
 src/protocol.rs |  3 ++-
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/drive.rs b/src/drive.rs
index 9c67029..dbebffc 100644
--- a/src/drive.rs
+++ b/src/drive.rs
@@ -26,14 +26,14 @@ impl DatDrive {
     /// Path should be the complete path (eg, ending in '/.dat/'), not an enclosing directory
     /// containing files.
     pub fn open<P: AsRef<Path>>(path: P, writable: bool) -> Result<DatDrive> {
-        let mdrive = SleepDirRegister::open(path.as_ref(), "metadata", writable)?;
-        if mdrive.len()? == 0 {
+        let metadata = SleepDirRegister::open(path.as_ref(), "metadata", writable)?;
+        if metadata.len()? == 0 {
             bail!("Expected at least one entry (Index) in metadata register");
         }
-        let cdrive = SleepDirRegister::open(path.as_ref(), "content", writable)?;
+        let content = SleepDirRegister::open(path.as_ref(), "content", writable)?;
         Ok(DatDrive {
-            metadata: mdrive,
-            content: cdrive,
+            metadata,
+            content,
         })
     }
 }
@@ -61,26 +61,26 @@ impl<'a> DatDrive {
         unimplemented!()
     }
 
-    pub fn file_metadata<P: AsRef<Path>>(&mut self, path: P) -> Result<Stat> {
+    pub fn file_metadata<P: AsRef<Path>>(&mut self, _path: P) -> Result<Stat> {
         unimplemented!()
     }
 
-    pub fn create_file_bytes<P: AsRef<Path>>(&mut self, path: P, stat: &Stat, data: &[u8]) -> Result<()> {
+    pub fn create_file_bytes<P: AsRef<Path>>(&mut self, _path: P, _stat: &Stat, _data: &[u8]) -> Result<()> {
         unimplemented!()
     }
 
-    pub fn create_file<P: AsRef<Path>, R: Read>(&mut self, path: P, stat: &Stat, source: R) -> Result<()> {
+    pub fn create_file<P: AsRef<Path>, R: Read>(&mut self, _path: P, _stat: &Stat, _source: R) -> Result<()> {
         unimplemented!()
     }
 
     /// Copies Stat metadata and all content from a file in the "real" filesystem into the
     /// DatDrive.
-    pub fn import_file<P: AsRef<Path>, Q: AsRef<Path>>(&mut self, source: P, dest: Q) -> Result<()> {
+    pub fn import_file<P: AsRef<Path>, Q: AsRef<Path>>(&mut self, _source: P, _dest: Q) -> Result<()> {
         unimplemented!()
     }
 
     /// Copies a file from the drive to the "real" filesystem, preserving Stat metadata.
-    pub fn export_file<P: AsRef<Path>, Q: AsRef<Path>>(&mut self, source: P, dest: Q) -> Result<()> {
+    pub fn export_file<P: AsRef<Path>, Q: AsRef<Path>>(&mut self, _source: P, _dest: Q) -> Result<()> {
         unimplemented!()
     }
 
diff --git a/src/protocol.rs b/src/protocol.rs
index a52c377..e6bc0f3 100644
--- a/src/protocol.rs
+++ b/src/protocol.rs
@@ -130,7 +130,8 @@ fn test_bsxii_continued() {
     assert_eq!(a, c);
 }
 
-fn make_discovery_key(key: &[u8]) -> Vec<u8> {
+// TODO: move to lib.rs?
+pub fn make_discovery_key(key: &[u8]) -> Vec<u8> {
     // calculate discovery key
     let mut discovery_key = [0; 32];
     let mut hash = Blake2b::new_keyed(32, key);
-- 
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