Fix clippy warnings

Author: halvko

src/auth/authentication_scheme.rs

@@ -53,6 +53,7 @@ impl FromStr for AuthenticationScheme {
         // NOTE(yosh): matching here is lowercase as specified by RFC2617#section-1.2
         // > [...] case-insensitive token to identify the authentication scheme [...]
         // https://tools.ietf.org/html/rfc2617#section-1.2
+        #[allow(clippy::match_str_case_mismatch)]
         match s.to_lowercase().as_str() {
             "basic" => Ok(Self::Basic),
             "bearer" => Ok(Self::Bearer),

src/body.rs

@@ -571,7 +571,7 @@ impl AsyncRead for Body {
         cx: &mut Context<'_>,
         buf: &mut [u8],
     ) -> Poll<io::Result<usize>> {
-        let mut buf = match self.length {
+        let buf = match self.length {
             None => buf,
             Some(length) if length == self.bytes_read => return Poll::Ready(Ok(0)),
             Some(length) => {
@@ -582,7 +582,7 @@ impl AsyncRead for Body {
             }
         };
 
-        let bytes = ready!(Pin::new(&mut self.reader).poll_read(cx, &mut buf))?;
+        let bytes = ready!(Pin::new(&mut self.reader).poll_read(cx, buf))?;
         self.bytes_read += bytes as u64;
         Poll::Ready(Ok(bytes))
     }
@@ -632,6 +632,7 @@ mod test {
         #[derive(Debug, Deserialize)]
         #[serde(crate = "serde_crate")]
         struct Foo {
+            #[allow(dead_code)]
             inner: String,
         }
         let body = Body::empty();
@@ -644,6 +645,7 @@ mod test {
         #[derive(Debug, Deserialize)]
         #[serde(crate = "serde_crate")]
         struct Foo {
+            #[allow(dead_code)]
             inner: String,
         }
         let body = Body::empty();

src/cache/cache_control/cache_directive.rs

@@ -88,7 +88,7 @@ impl CacheDirective {
             return Ok(None);
         }
 
-        s.to_lowercase();
+        let s = s.to_lowercase();
         let mut parts = s.split('=');
         let next = parts.next().unwrap();
 

src/cache/clear_site_data/mod.rs

@@ -220,8 +220,8 @@ impl Header for ClearSiteData {
         let mut output = String::new();
         for (n, etag) in self.entries.iter().enumerate() {
             match n {
-                0 => write!(output, "{}", etag.to_string()).unwrap(),
-                _ => write!(output, ", {}", etag.to_string()).unwrap(),
+                0 => write!(output, "{}", etag).unwrap(),
+                _ => write!(output, ", {}", etag).unwrap(),
             };
         }
 

src/conditional/if_match.rs

@@ -111,8 +111,8 @@ impl Header for IfMatch {
         let mut output = String::new();
         for (n, etag) in self.entries.iter().enumerate() {
             match n {
-                0 => write!(output, "{}", etag.to_string()).unwrap(),
-                _ => write!(output, ", {}", etag.to_string()).unwrap(),
+                0 => write!(output, "{}", etag).unwrap(),
+                _ => write!(output, ", {}", etag).unwrap(),
             };
         }
 

src/conditional/if_none_match.rs

@@ -117,8 +117,8 @@ impl Header for IfNoneMatch {
         let mut output = String::new();
         for (n, etag) in self.entries.iter().enumerate() {
             match n {
-                0 => write!(output, "{}", etag.to_string()).unwrap(),
-                _ => write!(output, ", {}", etag.to_string()).unwrap(),
+                0 => write!(output, "{}", etag).unwrap(),
+                _ => write!(output, ", {}", etag).unwrap(),
             };
         }
 

src/error.rs

@@ -159,7 +159,7 @@ impl Error {
 
     /// Retrieves a reference to the type name of the error, if available.
     pub fn type_name(&self) -> Option<&str> {
-        self.type_name.as_deref()
+        self.type_name
     }
 
     /// Converts anything which implements `Display` into an `http_types::Error`.

src/hyperium_http.rs

@@ -68,7 +68,7 @@ impl TryFrom<HeaderName> for http::header::HeaderName {
 
     fn try_from(name: HeaderName) -> Result<Self, Self::Error> {
         let name = name.as_str().as_bytes();
-        http::header::HeaderName::from_bytes(name).map_err(|e| Error::new_adhoc(e))
+        http::header::HeaderName::from_bytes(name).map_err(Error::new_adhoc)
     }
 }
 
@@ -86,7 +86,7 @@ impl TryFrom<HeaderValue> for http::header::HeaderValue {
 
     fn try_from(value: HeaderValue) -> Result<Self, Self::Error> {
         let value = value.as_str().as_bytes();
-        http::header::HeaderValue::from_bytes(value).map_err(|e| Error::new_adhoc(e))
+        http::header::HeaderValue::from_bytes(value).map_err(Error::new_adhoc)
     }
 }
 

src/method.rs

@@ -413,6 +413,7 @@ impl FromStr for Method {
     type Err = crate::Error;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
+        #[allow(clippy::match_str_case_mismatch)]
         match &*s.to_ascii_uppercase() {
             "ACL" => Ok(Self::Acl),
             "BASELINE-CONTROL" => Ok(Self::BaselineControl),

src/utils/date.rs

@@ -218,10 +218,10 @@ impl From<SystemTime> for HttpDate {
             .expect("all times should be after the epoch");
         let secs_since_epoch = dur.as_secs();
 
-        if secs_since_epoch >= YEAR_9999_SECONDS {
-            // year 9999
-            panic!("date must be before year 9999");
-        }
+        assert!(
+            secs_since_epoch < YEAR_9999_SECONDS,
+            "date must be before year 9999"
+        );
 
         /* 2000-03-01 (mod 400 year, immediately after feb29 */
         const LEAPOCH: i64 = 11017;