address clippy lints

actix-http/src/ws/proto.rs

@@ -1,7 +1,6 @@
 use std::convert::{From, Into};
 use std::fmt;
 
-use self::OpCode::*;
 /// Operation codes as part of RFC6455.
 #[derive(Debug, Eq, PartialEq, Clone, Copy)]
 pub enum OpCode {
@@ -29,6 +28,7 @@ pub enum OpCode {
 
 impl fmt::Display for OpCode {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        use self::OpCode::*;
         match *self {
             Continue => write!(f, "CONTINUE"),
             Text => write!(f, "TEXT"),
@@ -41,9 +41,10 @@ impl fmt::Display for OpCode {
     }
 }
 
-impl Into<u8> for OpCode {
-    fn into(self) -> u8 {
-        match self {
+impl From<OpCode> for u8 {
+    fn from(op: OpCode) -> u8 {
+        use self::OpCode::*;
+        match op {
             Continue => 0,
             Text => 1,
             Binary => 2,
@@ -60,6 +61,7 @@ impl Into<u8> for OpCode {
 
 impl From<u8> for OpCode {
     fn from(byte: u8) -> OpCode {
+        use self::OpCode::*;
         match byte {
             0 => Continue,
             1 => Text,
@@ -72,7 +74,6 @@ impl From<u8> for OpCode {
     }
 }
 
-use self::CloseCode::*;
 /// Status code used to indicate why an endpoint is closing the `WebSocket`
 /// connection.
 #[derive(Debug, Eq, PartialEq, Clone, Copy)]
@@ -138,9 +139,10 @@ pub enum CloseCode {
     Other(u16),
 }
 
-impl Into<u16> for CloseCode {
-    fn into(self) -> u16 {
-        match self {
+impl From<CloseCode> for u16 {
+    fn from(code: CloseCode) -> u16 {
+        use self::CloseCode::*;
+        match code {
             Normal => 1000,
             Away => 1001,
             Protocol => 1002,
@@ -161,6 +163,7 @@ impl Into<u16> for CloseCode {
 
 impl From<u16> for CloseCode {
     fn from(code: u16) -> CloseCode {
+        use self::CloseCode::*;
         match code {
             1000 => Normal,
             1001 => Away,
@@ -185,6 +188,7 @@ impl From<u16> for CloseCode {
 pub struct CloseReason {
     /// Exit code
     pub code: CloseCode,
+
     /// Optional description of the exit code
     pub description: Option<String>,
 }

awc/src/sender.rs

@@ -33,18 +33,18 @@ pub(crate) enum PrepForSendingError {
     Http(HttpError),
 }
 
-impl Into<FreezeRequestError> for PrepForSendingError {
-    fn into(self) -> FreezeRequestError {
-        match self {
+impl From<PrepForSendingError> for FreezeRequestError {
+    fn from(err: PrepForSendingError) -> FreezeRequestError {
+        match err {
             PrepForSendingError::Url(e) => FreezeRequestError::Url(e),
             PrepForSendingError::Http(e) => FreezeRequestError::Http(e),
         }
     }
 }
 
-impl Into<SendRequestError> for PrepForSendingError {
-    fn into(self) -> SendRequestError {
-        match self {
+impl From<PrepForSendingError> for SendRequestError {
+    fn from(err: PrepForSendingError) -> SendRequestError {
+        match err {
             PrepForSendingError::Url(e) => SendRequestError::Url(e),
             PrepForSendingError::Http(e) => SendRequestError::Http(e),
         }

src/service.rs

@@ -416,9 +416,9 @@ impl<B> ServiceResponse<B> {
     }
 }
 
-impl<B> Into<Response<B>> for ServiceResponse<B> {
-    fn into(self) -> Response<B> {
-        self.response
+impl<B> From<ServiceResponse<B>> for Response<B> {
+    fn into(res: ServiceResponse<B>) -> Response<B> {
+        res.response
     }
 }
 

src/types/either.rs

@@ -121,13 +121,13 @@ pub enum EitherExtractError<A, B> {
     Extract(A, B),
 }
 
-impl<A, B> Into<Error> for EitherExtractError<A, B>
+impl<A, B> From<EitherExtractError<A, B>> for Error
 where
     A: Into<Error>,
     B: Into<Error>,
 {
-    fn into(self) -> Error {
-        match self {
+    fn into(err: EitherExtractError<A, B>) -> Error {
+        match err {
             EitherExtractError::Bytes(err) => err,
             EitherExtractError::Extract(a_err, _b_err) => a_err.into(),
         }