Simplify code by using Self in return type

src/dir.rs

@@ -87,7 +87,7 @@ pub struct Dir<'a, 'b: 'a> {
 }
 
 impl <'a, 'b> Dir<'a, 'b> {
-    pub(crate) fn new(stream: DirRawStream<'a, 'b>, fs: FileSystemRef<'a, 'b>) -> Dir<'a, 'b> {
+    pub(crate) fn new(stream: DirRawStream<'a, 'b>, fs: FileSystemRef<'a, 'b>) -> Self {
         Dir { stream, fs }
     }
 
@@ -115,7 +115,7 @@ impl <'a, 'b> Dir<'a, 'b> {
     }
 
     /// Opens existing directory
-    pub fn open_dir(&mut self, path: &str) -> io::Result<Dir<'a, 'b>> {
+    pub fn open_dir(&mut self, path: &str) -> io::Result<Self> {
         let (name, rest_opt) = split_path(path);
         let e = self.find_entry(name, None)?;
         match rest_opt {
@@ -158,7 +158,7 @@ impl <'a, 'b> Dir<'a, 'b> {
     }
 
     /// Creates new directory or opens existing.
-    pub fn create_dir(&mut self, path: &str) -> io::Result<Dir<'a, 'b>> {
+    pub fn create_dir(&mut self, path: &str) -> io::Result<Self> {
         let (name, rest_opt) = split_path(path);
         match rest_opt {
             // path contains more than 1 component
@@ -499,7 +499,7 @@ struct LongNameBuilder {
 
 #[cfg(feature = "alloc")]
 impl LongNameBuilder {
-    fn new() -> LongNameBuilder {
+    fn new() -> Self {
         LongNameBuilder {
             buf: Vec::<u16>::new(),
             chksum: 0,

src/dir_entry.rs

@@ -357,7 +357,7 @@ impl DirEntryData {
         }
     }
 
-    pub(crate) fn deserialize(rdr: &mut Read) -> io::Result<DirEntryData> {
+    pub(crate) fn deserialize(rdr: &mut Read) -> io::Result<Self> {
         let mut name = [0; 11];
         match rdr.read_exact(&mut name) {
             Err(ref err) if err.kind() == io::ErrorKind::UnexpectedEof => {
@@ -531,7 +531,7 @@ pub(crate) struct DirEntryEditor {
 }
 
 impl DirEntryEditor {
-    fn new(data: DirFileEntryData, pos: u64) -> DirEntryEditor {
+    fn new(data: DirFileEntryData, pos: u64) -> Self {
         DirEntryEditor {
             data, pos,
             dirty: false,

src/fs.rs

@@ -365,7 +365,7 @@ impl <'a> FileSystem<'a> {
     ///
     /// Note: creating multiple filesystem objects with one underlying device/disk image can
     /// cause filesystem corruption.
-    pub fn new<T: ReadWriteSeek>(disk: &'a mut T, options: FsOptions) -> io::Result<FileSystem<'a>> {
+    pub fn new<T: ReadWriteSeek>(disk: &'a mut T, options: FsOptions) -> io::Result<Self> {
         // Make sure given image is not seeked
         debug_assert!(disk.seek(SeekFrom::Current(0))? == 0);
 

src/table.rs

@@ -334,8 +334,7 @@ pub(crate) struct ClusterIterator<'a, 'b: 'a> {
 }
 
 impl <'a, 'b> ClusterIterator<'a, 'b> {
-    pub(crate) fn new(fat: DiskSlice<'a, 'b>, fat_type: FatType, cluster: u32)
-    -> ClusterIterator<'a, 'b> {
+    pub(crate) fn new(fat: DiskSlice<'a, 'b>, fat_type: FatType, cluster: u32) -> Self {
         ClusterIterator {
             fat,
             fat_type,