clippy warnings

actix-http/src/header/common/cache_control.rs

@@ -74,7 +74,7 @@ impl Header for CacheControl {
 }
 
 impl fmt::Display for CacheControl {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt_comma_delimited(f, &self[..])
     }
 }
@@ -126,7 +126,7 @@ pub enum CacheDirective {
 }
 
 impl fmt::Display for CacheDirective {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         use self::CacheDirective::*;
         fmt::Display::fmt(
             match *self {

actix-http/src/header/common/content_disposition.rs

@@ -486,7 +486,7 @@ impl Header for ContentDisposition {
 }
 
 impl fmt::Display for DispositionType {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             DispositionType::Inline => write!(f, "inline"),
             DispositionType::Attachment => write!(f, "attachment"),
@@ -497,7 +497,7 @@ impl fmt::Display for DispositionType {
 }
 
 impl fmt::Display for DispositionParam {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         // All ASCII control characters (0-30, 127) including horizontal tab, double quote, and
         // backslash should be escaped in quoted-string (i.e. "foobar").
         // Ref: RFC6266 S4.1 -> RFC2616 S3.6
@@ -555,7 +555,7 @@ impl fmt::Display for DispositionParam {
 }
 
 impl fmt::Display for ContentDisposition {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.disposition)?;
         self.parameters
             .iter()

actix-http/src/header/common/content_range.rs

@@ -166,7 +166,7 @@ impl FromStr for ContentRangeSpec {
 }
 
 impl Display for ContentRangeSpec {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             ContentRangeSpec::Bytes {
                 range,

actix-http/src/header/common/if_range.rs

@@ -87,7 +87,7 @@ impl Header for IfRange {
 }
 
 impl Display for IfRange {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             IfRange::EntityTag(ref x) => Display::fmt(x, f),
             IfRange::Date(ref x) => Display::fmt(x, f),

actix-http/src/header/common/mod.rs

@@ -159,7 +159,7 @@ macro_rules! header {
         }
         impl std::fmt::Display for $id {
             #[inline]
-            fn fmt(&self, f: &mut std::fmt::Formatter) -> ::std::fmt::Result {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> ::std::fmt::Result {
                 $crate::http::header::fmt_comma_delimited(f, &self.0[..])
             }
         }
@@ -195,7 +195,7 @@ macro_rules! header {
         }
         impl std::fmt::Display for $id {
             #[inline]
-            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
                 $crate::http::header::fmt_comma_delimited(f, &self.0[..])
             }
         }
@@ -231,7 +231,7 @@ macro_rules! header {
         }
         impl std::fmt::Display for $id {
             #[inline]
-            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
                 std::fmt::Display::fmt(&self.0, f)
             }
         }
@@ -276,7 +276,7 @@ macro_rules! header {
         }
         impl std::fmt::Display for $id {
             #[inline]
-            fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
                 match *self {
                     $id::Any => f.write_str("*"),
                     $id::Items(ref fields) => $crate::http::header::fmt_comma_delimited(

actix-http/src/header/map.rs

@@ -143,7 +143,7 @@ impl HeaderMap {
     /// Returns `None` if there are no values associated with the key.
     ///
     /// [`GetAll`]: struct.GetAll.html
-    pub fn get_all<N: AsName>(&self, name: N) -> GetAll {
+    pub fn get_all<N: AsName>(&self, name: N) -> GetAll<'_> {
         GetAll {
             idx: 0,
             item: self.get2(name),
@@ -187,7 +187,7 @@ impl HeaderMap {
     /// The iteration order is arbitrary, but consistent across platforms for
     /// the same crate version. Each key will be yielded once per associated
     /// value. So, if a key has 3 associated values, it will be yielded 3 times.
-    pub fn iter(&self) -> Iter {
+    pub fn iter(&self) -> Iter<'_> {
         Iter::new(self.inner.iter())
     }
 
@@ -196,7 +196,7 @@ impl HeaderMap {
     /// The iteration order is arbitrary, but consistent across platforms for
     /// the same crate version. Each key will be yielded only once even if it
     /// has multiple associated values.
-    pub fn keys(&self) -> Keys {
+    pub fn keys(&self) -> Keys<'_> {
         Keys(self.inner.keys())
     }
 

actix-http/src/header/mod.rs

@@ -217,7 +217,7 @@ impl fmt::Write for Writer {
     }
 
     #[inline]
-    fn write_fmt(&mut self, args: fmt::Arguments) -> fmt::Result {
+    fn write_fmt(&mut self, args: fmt::Arguments<'_>) -> fmt::Result {
         fmt::write(self, args)
     }
 }
@@ -259,7 +259,7 @@ pub fn from_one_raw_str<T: FromStr>(val: Option<&HeaderValue>) -> Result<T, Pars
 #[inline]
 #[doc(hidden)]
 /// Format an array into a comma-delimited string.
-pub fn fmt_comma_delimited<T>(f: &mut fmt::Formatter, parts: &[T]) -> fmt::Result
+pub fn fmt_comma_delimited<T>(f: &mut fmt::Formatter<'_>, parts: &[T]) -> fmt::Result
 where
     T: fmt::Display,
 {
@@ -361,7 +361,7 @@ pub fn parse_extended_value(
 }
 
 impl fmt::Display for ExtendedValue {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let encoded_value =
             percent_encoding::percent_encode(&self.value[..], HTTP_VALUE);
         if let Some(ref lang) = self.language_tag {
@@ -376,7 +376,7 @@ impl fmt::Display for ExtendedValue {
 /// [https://tools.ietf.org/html/rfc5987#section-3.2][url]
 ///
 /// [url]: https://tools.ietf.org/html/rfc5987#section-3.2
-pub fn http_percent_encode(f: &mut fmt::Formatter, bytes: &[u8]) -> fmt::Result {
+pub fn http_percent_encode(f: &mut fmt::Formatter<'_>, bytes: &[u8]) -> fmt::Result {
     let encoded = percent_encoding::percent_encode(bytes, HTTP_VALUE);
     fmt::Display::fmt(&encoded, f)
 }

actix-http/src/header/shared/charset.rs

@@ -98,7 +98,7 @@ impl Charset {
 }
 
 impl Display for Charset {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.write_str(self.label())
     }
 }

actix-http/src/header/shared/encoding.rs

@@ -27,7 +27,7 @@ pub enum Encoding {
 }
 
 impl fmt::Display for Encoding {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.write_str(match *self {
             Chunked => "chunked",
             Brotli => "br",

actix-http/src/header/shared/entity.rs

@@ -113,7 +113,7 @@ impl EntityTag {
 }
 
 impl Display for EntityTag {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         if self.weak {
             write!(f, "W/\"{}\"", self.tag)
         } else {

actix-http/src/header/shared/httpdate.rs

@@ -28,7 +28,7 @@ impl FromStr for HttpDate {
 }
 
 impl Display for HttpDate {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt::Display::fmt(&self.0.to_utc().rfc822(), f)
     }
 }

actix-http/src/header/shared/quality_item.rs

@@ -53,7 +53,7 @@ impl<T: PartialEq> cmp::PartialOrd for QualityItem<T> {
 }
 
 impl<T: fmt::Display> fmt::Display for QualityItem<T> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         fmt::Display::fmt(&self.item, f)?;
         match self.quality.0 {
             1000 => Ok(()),