chore: Fix issues reported by Clippy

src/frame/content_cmp.rs

@@ -11,7 +11,7 @@ pub enum ContentCmp<'a> {
     Same,
 }
 
-impl<'a> PartialEq for ContentCmp<'a> {
+impl PartialEq for ContentCmp<'_> {
     fn eq(&self, other: &Self) -> bool {
         use ContentCmp::*;
 

src/storage/mod.rs

@@ -65,7 +65,7 @@ pub trait StorageFile: io::Read + io::Write + io::Seek + private::Sealed {
     fn set_len(&mut self, new_len: u64) -> io::Result<()>;
 }
 
-impl<'a, T: StorageFile> StorageFile for &'a mut T {
+impl<T: StorageFile> StorageFile for &mut T {
     fn set_len(&mut self, new_len: u64) -> io::Result<()> {
         (*self).set_len(new_len)
     }
@@ -88,7 +88,7 @@ impl StorageFile for io::Cursor<Vec<u8>> {
 mod private {
     pub trait Sealed {}
 
-    impl<'a, T: Sealed> Sealed for &'a mut T {}
+    impl<T: Sealed> Sealed for &mut T {}
     impl Sealed for std::fs::File {}
     impl Sealed for std::io::Cursor<Vec<u8>> {}
 }

src/storage/plain.rs

@@ -47,7 +47,7 @@ pub struct PlainReader<'a, F: StorageFile + 'a> {
     storage: &'a mut PlainStorage<F>,
 }
 
-impl<'a, F: StorageFile> io::Read for PlainReader<'a, F> {
+impl<F: StorageFile> io::Read for PlainReader<'_, F> {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         let cur_pos = self.storage.file.stream_position()?;
         assert!(self.storage.region.start <= cur_pos);
@@ -62,7 +62,7 @@ impl<'a, F: StorageFile> io::Read for PlainReader<'a, F> {
     }
 }
 
-impl<'a, F: StorageFile> io::Seek for PlainReader<'a, F> {
+impl<F: StorageFile> io::Seek for PlainReader<'_, F> {
     fn seek(&mut self, rel_pos: io::SeekFrom) -> io::Result<u64> {
         let abs_cur_pos = self.storage.file.stream_position()?;
         let abs_pos = match rel_pos {
@@ -92,7 +92,7 @@ pub struct PlainWriter<'a, F: StorageFile + 'a> {
     buffer_changed: bool,
 }
 
-impl<'a, F: StorageFile> io::Write for PlainWriter<'a, F> {
+impl<F: StorageFile> io::Write for PlainWriter<'_, F> {
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         let nwritten = self.buffer.write(buf)?;
         self.buffer_changed = true;
@@ -185,13 +185,13 @@ impl<'a, F: StorageFile> io::Write for PlainWriter<'a, F> {
     }
 }
 
-impl<'a, F: StorageFile> io::Seek for PlainWriter<'a, F> {
+impl<F: StorageFile> io::Seek for PlainWriter<'_, F> {
     fn seek(&mut self, pos: io::SeekFrom) -> io::Result<u64> {
         self.buffer.seek(pos)
     }
 }
 
-impl<'a, F: StorageFile> Drop for PlainWriter<'a, F> {
+impl<F: StorageFile> Drop for PlainWriter<'_, F> {
     fn drop(&mut self) {
         let _ = self.flush();
     }

src/tcon.rs

@@ -8,7 +8,7 @@ pub struct Parser<'a>(&'a str);
 type ParseFunc<P, T> = dyn Fn(&mut P) -> Result<T, ()>;
 
 impl<'a> Parser<'a> {
-    pub fn parse_tcon(s: &'a str) -> Cow<str> {
+    pub fn parse_tcon(s: &'a str) -> Cow<'a, str> {
         let mut parser = Parser(s);
         let v1_genre_ids = match parser.one_or_more(&Self::content_type) {
             Ok(v) => v,