Fix various minor clippy warnings

examples/with_nom_result.rs

@@ -9,7 +9,7 @@ fn main() {
     let parsed = m3u8_rs::parse_playlist(&bytes);
 
     let playlist = match parsed {
-        Result::Ok((i, playlist)) => playlist,
+        Result::Ok((_i, playlist)) => playlist,
         Result::Err(e) => panic!("Parsing error: \n{}", e),
     };
 
@@ -19,6 +19,7 @@ fn main() {
     }
 }
 
+#[allow(unused)]
 fn main_alt() {
     let mut file = std::fs::File::open("playlist.m3u8").unwrap();
     let mut bytes: Vec<u8> = Vec::new();
@@ -27,8 +28,8 @@ fn main_alt() {
     let parsed = m3u8_rs::parse_playlist(&bytes);
 
     match parsed {
-        Result::Ok((i, Playlist::MasterPlaylist(pl))) => println!("Master playlist:\n{:?}", pl),
+        Result::Ok((_i, Playlist::MasterPlaylist(pl))) => println!("Master playlist:\n{:?}", pl),
-        Result::Ok((i, Playlist::MediaPlaylist(pl))) => println!("Media playlist:\n{:?}", pl),
+        Result::Ok((_i, Playlist::MediaPlaylist(pl))) => println!("Media playlist:\n{:?}", pl),
         Result::Err(e) => panic!("Parsing error: \n{}", e),
     }
 }

src/parser.rs

@@ -271,6 +271,7 @@ fn parse_master_playlist_tags(i: &[u8]) -> IResult<&[u8], Vec<MasterPlaylistTag>
 }
 
 /// Contains all the tags required to parse a master playlist.
+#[allow(clippy::large_enum_variant)]
 #[derive(Debug)]
 enum MasterPlaylistTag {
     Version(usize),

tests/lib.rs

@@ -21,7 +21,7 @@ fn all_sample_m3u_playlists() -> Vec<path::PathBuf> {
 
 fn getm3u(path: &str) -> String {
     let mut buf = String::new();
-    let mut file = fs::File::open(path).expect(&format!("Can't find m3u8: {}", path));
+    let mut file = fs::File::open(path).unwrap_or_else(|_| panic!("Can't find m3u8: {}", path));
     let u = file.read_to_string(&mut buf).expect("Can't read file");
     buf
 }
@@ -139,7 +139,7 @@ fn playlist_not_ending_in_newline_media() {
 fn playlist_type_is_master() {
     let input = get_sample_playlist("master.m3u8");
     let result = is_master_playlist(input.as_bytes());
-    assert_eq!(true, result);
+    assert!(result);
 }
 
 // #[test]