Derive some more traits for the public types where it makes sense

This makes them easier to use.

src/playlist.rs

@@ -68,7 +68,7 @@ impl Playlist {
 /// A [Master Playlist](https://tools.ietf.org/html/draft-pantos-http-live-streaming-19#section-4.3.4)
 /// provides a set of Variant Streams, each of which
 /// describes a different version of the same content.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct MasterPlaylist {
     pub version: usize,
     pub variants: Vec<VariantStream>,
@@ -129,7 +129,7 @@ impl MasterPlaylist {
 /// Clients should switch between different Variant Streams to adapt to
 /// network conditions.  Clients should choose Renditions based on user
 /// preferences.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct VariantStream {
     pub is_i_frame: bool,
     pub uri: String,
@@ -201,7 +201,7 @@ impl VariantStream {
 /// Media Playlists that contain English, French and Spanish Renditions
 /// of the same presentation.  Or two EXT-X-MEDIA tags can be used to
 /// identify video-only Media Playlists that show two different camera angles.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct AlternativeMedia {
     // <attribute-list>
     pub media_type: AlternativeMediaType,
@@ -263,7 +263,7 @@ impl AlternativeMedia {
     }
 }
 
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, Clone)]
 pub enum AlternativeMediaType {
     Audio,
     Video,
@@ -313,7 +313,7 @@ impl fmt::Display for AlternativeMediaType {
 /// The EXT-X-SESSION-KEY tag allows encryption keys from Media Playlists
 /// to be specified in a Master Playlist.  This allows the client to
 /// preload these keys without having to read the Media Playlist(s) first.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct SessionKey(pub Key);
 
 impl SessionKey {
@@ -324,7 +324,7 @@ impl SessionKey {
     }
 }
 
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub enum SessionDataField {
     Value(String),
     Uri(String),
@@ -333,7 +333,7 @@ pub enum SessionDataField {
 /// [`#EXT-X-SESSION-DATA:<attribute-list>`](https://tools.ietf.org/html/draft-pantos-http-live-streaming-19#section-4.3.4.4)
 /// The EXT-X-SESSION-DATA tag allows arbitrary session data to be carried
 /// in a Master Playlist.
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct SessionData {
     pub data_id: String,
     pub field: SessionDataField,
@@ -456,7 +456,7 @@ impl MediaPlaylist {
 }
 
 /// [`#EXT-X-PLAYLIST-TYPE:<EVENT|VOD>`](https://tools.ietf.org/html/draft-pantos-http-live-streaming-19#section-4.3.3.5)
-#[derive(Debug, PartialEq, Clone)]
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, Clone)]
 pub enum MediaPlaylistType {
     Event,
     Vod,
@@ -576,7 +576,7 @@ impl MediaSegment {
 /// KEYFORMAT attribute (or the end of the Playlist file).  Two or more
 /// EXT-X-KEY tags with different KEYFORMAT attributes MAY apply to the
 /// same Media Segment if they ultimately produce the same decryption key.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct Key {
     pub method: String,
     pub uri: Option<String>,
@@ -613,7 +613,7 @@ impl Key {
 /// It applies to every Media Segment that appears after it in the
 /// Playlist until the next EXT-X-MAP tag or until the end of the
 /// playlist.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct Map {
     pub uri: String,
     pub byte_range: Option<ByteRange>,
@@ -635,7 +635,7 @@ impl Map {
 /// The EXT-X-BYTERANGE tag indicates that a Media Segment is a sub-range
 /// of the resource identified by its URI.  It applies only to the next
 /// URI line that follows it in the Playlist.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct ByteRange {
     pub length: i32,
     pub offset: Option<i32>,
@@ -656,7 +656,7 @@ impl ByteRange {
 /// The EXT-X-DATERANGE tag associates a Date Range (i.e. a range of time
 /// defined by a starting and ending date) with a set of attribute /
 /// value pairs.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct DateRange {
     pub id: String,
     pub class: Option<String>,
@@ -677,7 +677,7 @@ pub struct DateRange {
 /// The EXT-X-START tag indicates a preferred point at which to start
 /// playing a Playlist. By default, clients SHOULD start playback at
 /// this point when beginning a playback session.
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct Start {
     pub time_offset: String,
     pub precise: Option<String>,
@@ -699,7 +699,7 @@ impl Start {
 }
 
 /// A simple `#EXT-` tag
-#[derive(Debug, Default, PartialEq, Clone)]
+#[derive(Debug, Default, PartialEq, Eq, Clone)]
 pub struct ExtTag {
     pub tag: String,
     pub rest: Option<String>,