fix clippy default warning

Author: yngrtc

dtls/src/config.rs

@@ -134,36 +134,26 @@ pub(crate) type PskCallback = Arc<dyn (Fn(&[u8]) -> Result<Vec<u8>>) + Send + Sy
 
 // ClientAuthType declares the policy the server will follow for
 // TLS Client Authentication.
-#[derive(Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Copy, Clone, PartialEq, Eq)]
 pub enum ClientAuthType {
+    #[default]
     NoClientCert = 0,
     RequestClientCert = 1,
     RequireAnyClientCert = 2,
     VerifyClientCertIfGiven = 3,
     RequireAndVerifyClientCert = 4,
 }
 
-impl Default for ClientAuthType {
-    fn default() -> Self {
-        ClientAuthType::NoClientCert
-    }
-}
-
 // ExtendedMasterSecretType declares the policy the client and server
 // will follow for the Extended Master Secret extension
-#[derive(PartialEq, Eq, Copy, Clone)]
+#[derive(Default, PartialEq, Eq, Copy, Clone)]
 pub enum ExtendedMasterSecretType {
+    #[default]
     Request = 0,
     Require = 1,
     Disable = 2,
 }
 
-impl Default for ExtendedMasterSecretType {
-    fn default() -> Self {
-        ExtendedMasterSecretType::Request
-    }
-}
-
 pub(crate) fn validate_config(is_client: bool, config: &Config) -> Result<()> {
     if is_client && config.psk.is_some() && config.psk_identity_hint.is_none() {
         return Err(Error::ErrPskAndIdentityMustBeSetForClient);

dtls/src/content.rs

@@ -7,12 +7,13 @@ use crate::error::*;
 use std::io::{Read, Write};
 
 // https://tools.ietf.org/html/rfc4346#section-6.2.1
-#[derive(Copy, Clone, PartialEq, Eq, Debug)]
+#[derive(Default, Copy, Clone, PartialEq, Eq, Debug)]
 pub enum ContentType {
     ChangeCipherSpec = 20,
     Alert = 21,
     Handshake = 22,
     ApplicationData = 23,
+    #[default]
     Invalid,
 }
 
@@ -28,12 +29,6 @@ impl From<u8> for ContentType {
     }
 }
 
-impl Default for ContentType {
-    fn default() -> Self {
-        ContentType::Invalid
-    }
-}
-
 #[derive(PartialEq, Debug, Clone)]
 pub enum Content {
     ChangeCipherSpec(ChangeCipherSpec),

dtls/src/handshake/mod.rs

@@ -34,7 +34,7 @@ use handshake_message_server_hello_done::*;
 use handshake_message_server_key_exchange::*;
 
 // https://tools.ietf.org/html/rfc5246#section-7.4
-#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
+#[derive(Default, Copy, Clone, Debug, PartialEq, Eq, Hash)]
 pub enum HandshakeType {
     HelloRequest = 0,
     ClientHello = 1,
@@ -47,6 +47,7 @@ pub enum HandshakeType {
     CertificateVerify = 15,
     ClientKeyExchange = 16,
     Finished = 20,
+    #[default]
     Invalid,
 }
 
@@ -88,12 +89,6 @@ impl From<u8> for HandshakeType {
     }
 }
 
-impl Default for HandshakeType {
-    fn default() -> Self {
-        HandshakeType::Invalid
-    }
-}
-
 #[derive(PartialEq, Debug, Clone)]
 pub enum HandshakeMessage {
     //HelloRequest(errNotImplemented),

mdns/src/message/header.rs

@@ -54,8 +54,9 @@ impl Header {
     }
 }
 
-#[derive(Copy, Clone, PartialOrd, PartialEq, Eq)]
+#[derive(Default, Copy, Clone, PartialOrd, PartialEq, Eq)]
 pub enum Section {
+    #[default]
     NotStarted = 0,
     Header = 1,
     Questions = 2,
@@ -65,12 +66,6 @@ pub enum Section {
     Done = 6,
 }
 
-impl Default for Section {
-    fn default() -> Self {
-        Section::NotStarted
-    }
-}
-
 impl From<u8> for Section {
     fn from(v: u8) -> Self {
         match v {

mdns/src/message/mod.rs

@@ -22,7 +22,7 @@ use std::fmt;
 // Message formats
 
 // A Type is a type of DNS request and response.
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Default, Copy, Clone, Debug, PartialEq, Eq)]
 pub enum DnsType {
     // ResourceHeader.Type and question.Type
     A = 1,
@@ -43,15 +43,10 @@ pub enum DnsType {
     Axfr = 252,
     All = 255,
 
+    #[default]
     Unsupported = 0,
 }
 
-impl Default for DnsType {
-    fn default() -> Self {
-        DnsType::Unsupported
-    }
-}
-
 impl From<u16> for DnsType {
     fn from(v: u16) -> Self {
         match v {
@@ -167,9 +162,10 @@ impl DnsClass {
 pub type OpCode = u16;
 
 // An RCode is a DNS response status code.
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Default, Copy, Clone, Debug, PartialEq, Eq)]
 pub enum RCode {
     // Message.Rcode
+    #[default]
     Success = 0,
     FormatError = 1,
     ServerFailure = 2,
@@ -179,12 +175,6 @@ pub enum RCode {
     Unsupported,
 }
 
-impl Default for RCode {
-    fn default() -> Self {
-        RCode::Success
-    }
-}
-
 impl From<u8> for RCode {
     fn from(v: u8) -> Self {
         match v {

media/src/io/h264_reader/mod.rs

@@ -9,9 +9,10 @@ use std::io::Read;
 
 /// NalUnitType is the type of a NAL
 /// Enums for NalUnitTypes
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 pub enum NalUnitType {
     /// Unspecified
+    #[default]
     Unspecified = 0,
     /// Coded slice of a non-IDR picture
     CodedSliceNonIdr = 1,
@@ -48,12 +49,6 @@ pub enum NalUnitType {
     // 24..31                                            // Unspecified
 }
 
-impl Default for NalUnitType {
-    fn default() -> Self {
-        NalUnitType::Unspecified
-    }
-}
-
 impl fmt::Display for NalUnitType {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let s = match *self {

rtcp/src/extended_report/mod.rs

@@ -32,8 +32,9 @@ const XR_HEADER_LENGTH: usize = 4;
 
 /// BlockType specifies the type of report in a report block
 /// Extended Report block types from RFC 3611.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 pub enum BlockType {
+    #[default]
     Unknown = 0,
     LossRLE = 1,               // RFC 3611, section 4.1
     DuplicateRLE = 2,          // RFC 3611, section 4.2
@@ -44,12 +45,6 @@ pub enum BlockType {
     VoIPMetrics = 7,           // RFC 3611, section 4.7
 }
 
-impl Default for BlockType {
-    fn default() -> Self {
-        BlockType::Unknown
-    }
-}
-
 impl From<u8> for BlockType {
     fn from(v: u8) -> Self {
         match v {

rtcp/src/extended_report/ssr.rs

@@ -60,19 +60,14 @@ impl fmt::Display for StatisticsSummaryReportBlock {
 
 /// TTLorHopLimitType encodes values for the ToH field in
 /// a StatisticsSummaryReportBlock
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 pub enum TTLorHopLimitType {
+    #[default]
     Missing = 0,
     IPv4 = 1,
     IPv6 = 2,
 }
 
-impl Default for TTLorHopLimitType {
-    fn default() -> Self {
-        TTLorHopLimitType::Missing
-    }
-}
-
 impl From<u8> for TTLorHopLimitType {
     fn from(v: u8) -> Self {
         match v {

rtcp/src/header.rs

@@ -5,9 +5,10 @@ use bytes::{Buf, BufMut};
 
 /// PacketType specifies the type of an RTCP packet
 /// RTCP packet types registered with IANA. See: https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml#rtp-parameters-4
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 #[repr(u8)]
 pub enum PacketType {
+    #[default]
     Unsupported = 0,
     SenderReport = 200,              // RFC 3550, 6.4.1
     ReceiverReport = 201,            // RFC 3550, 6.4.2
@@ -19,12 +20,6 @@ pub enum PacketType {
     ExtendedReport = 207,            // RFC 3611
 }
 
-impl Default for PacketType {
-    fn default() -> Self {
-        PacketType::Unsupported
-    }
-}
-
 /// Transport and Payload specific feedback messages overload the count field to act as a message type. those are listed here
 pub const FORMAT_SLI: u8 = 2;
 /// Transport and Payload specific feedback messages overload the count field to act as a message type. those are listed here

rtcp/src/source_description/mod.rs

@@ -20,10 +20,11 @@ const SDES_TEXT_OFFSET: usize = 2;
 
 /// SDESType is the item type used in the RTCP SDES control packet.
 /// RTP SDES item types registered with IANA. See: https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml#rtp-parameters-5
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 #[repr(u8)]
 pub enum SdesType {
-    SdesEnd = 0,      // end of SDES list                RFC 3550, 6.5
+    #[default]
+    SdesEnd = 0, // end of SDES list                RFC 3550, 6.5
     SdesCname = 1,    // canonical name                  RFC 3550, 6.5.1
     SdesName = 2,     // user name                       RFC 3550, 6.5.2
     SdesEmail = 3,    // user's electronic mail address  RFC 3550, 6.5.3
@@ -34,12 +35,6 @@ pub enum SdesType {
     SdesPrivate = 8,  // private extensions              RFC 3550, 6.5.8  (not implemented)
 }
 
-impl Default for SdesType {
-    fn default() -> Self {
-        SdesType::SdesEnd
-    }
-}
-
 impl fmt::Display for SdesType {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let s = match self {