apply many clippy issue

2 files changed, 5 insertions, 5 deletions

diff --git a/matroska/src/bin/mkvdump.rs b/matroska/src/bin/mkvdump.rs
index b58adcc..c40e325 100644
--- a/matroska/src/bin/mkvdump.rs
+++ b/matroska/src/bin/mkvdump.rs
@@ -9,9 +9,9 @@ use std::{fs::File, io::BufReader};
 fn main() {
     env_logger::init_from_env("LOG");
     let path = std::env::args().nth(1).unwrap();
-    let mut r = EbmlReader::new(BufReader::new(File::open(path).unwrap()));
+    let r = EbmlReader::new(BufReader::new(File::open(path).unwrap()));
 
-    while let Some(tag) = r.next() {
+    for tag in r {
         let (position, tag) = tag.unwrap();
         match tag {
             MatroskaTag::SimpleBlock(b) | MatroskaTag::Block(b) => {
diff --git a/matroska/src/read.rs b/matroska/src/read.rs
index 536f2f8..42fbd73 100644
--- a/matroska/src/read.rs
+++ b/matroska/src/read.rs
@@ -83,7 +83,7 @@ impl EbmlReader {
     #[inline]
     pub fn read_utf8(&mut self, size: impl Into<usize>) -> Result<String> {
         let b = self.read_buf(size)?;
-        Ok(String::from_utf8(b).map_err(|_| Error::InvalidUTF8)?)
+        String::from_utf8(b).map_err(|_| Error::InvalidUTF8)
     }
 
     #[inline]
@@ -160,7 +160,7 @@ impl EbmlReader {
         );
         self.queue.clear();
         self.position = position;
-        self.inner.seek(SeekFrom::Start(position as u64))?;
+        self.inner.seek(SeekFrom::Start(position))?;
         self.stack = path
             .iter()
             .map(|id| StackTag { id: *id, end: None })
@@ -257,7 +257,7 @@ impl ReadValue for Vec<u8> {
 }
 impl ReadValue for String {
     fn from_buf(buf: &[u8]) -> Result<Self> {
-        Ok(String::from_utf8(Vec::from(buf)).map_err(|_| Error::InvalidUTF8)?)
+        String::from_utf8(Vec::from(buf)).map_err(|_| Error::InvalidUTF8)
     }
 }
 impl ReadValue for Master {