Fix build warnings

src/filter.rs

@@ -10,6 +10,8 @@ pub struct FilteredIterator {
 }
 
 impl FilteredIterator {
+    // I have no idea why this is considered dead_code by rustc.
+    #[allow(dead_code)]
     pub fn new(iterator: FileIterator) -> Self {
         FilteredIterator {
             source: iterator,
@@ -19,6 +21,8 @@ impl FilteredIterator {
         }
     }
 
+    // I have no idea why this is considered dead_code by rustc.
+    #[allow(dead_code)]
     pub fn skip_filter(&mut self) {
         self.skip = true;
     }

src/lib.rs

@@ -103,7 +103,7 @@ impl DirEntrySummary {
 }
 
 #[cfg(not(target_os = "linux"))]
-fn is_executable(metadata: &Metadata) -> bool {
+fn is_executable(_metadata: &Metadata) -> bool {
     false
 }
 
@@ -177,6 +177,9 @@ impl<'a, T: Terminal<Output = W>, W: std::io::Write> TreePrinter<'a, T, W> {
         list
     }
 
+    /// # Errors
+    ///
+    /// Will return an error if printing to the terminal fails.
     pub fn iterate_folders(&mut self, path: &Path) -> io::Result<DirEntrySummary> {
         let mut summary = DirEntrySummary::new();
 

src/pathiterator.rs

@@ -65,6 +65,8 @@ fn get_sorted_dir_entries(path: &Path) -> io::Result<Vec<DirEntry>> {
 }
 
 impl FileIterator {
+    // I have no idea why this is considered dead_code by rustc.
+    #[allow(dead_code)]
     pub fn new(path: &Path, config: FileIteratorConfig) -> FileIterator {
         let mut queue = VecDeque::new();
         queue.push_back(IteratorItem::new(path, 0, true));