Input: Change all Youtube-dl functions to take AsRef<str> (#70)

Unifies the API on all ytdl functions to remove some friction in passing in Strings, Cows, strs, and so on.

Closes #57.

src/input/restartable.rs

@@ -132,8 +132,8 @@ impl Restartable {
     ///
     /// The cost of restarting and seeking will probably be *very* high:
     /// expect a pause if you seek backwards.
-    pub async fn ytdl_search(name: &str, lazy: bool) -> Result<Self> {
-        Self::ytdl(format!("ytsearch1:{}", name), lazy).await
+    pub async fn ytdl_search(name: impl AsRef<str>, lazy: bool) -> Result<Self> {
+        Self::ytdl(format!("ytsearch1:{}", name.as_ref()), lazy).await
     }
 
     pub(crate) fn prep_with_handle(&mut self, handle: Handle) {
@@ -381,7 +381,7 @@ impl Seek for Restartable {
 
                         self.position = offset;
                     },
-                    Live(input, rec) =>
+                    Live(input, rec) => {
                         if offset < self.position {
                             // regen at given start point
                             // We're going back in time.
@@ -405,7 +405,8 @@ impl Seek for Restartable {
                         } else {
                             // march on with live source.
                             self.position += input.consume(offset - self.position);
-                        },
+                        }
+                    },
                     Working(_, _, _, _) => {
                         return Err(IoError::new(
                             IoErrorKind::Interrupted,

src/input/ytdl_src.rs

@@ -32,8 +32,8 @@ const YOUTUBE_DL_COMMAND: &str = if cfg!(feature = "youtube-dlc") {
 /// Uses `youtube-dlc` if the `"youtube-dlc"` feature is enabled.
 ///
 /// [`Restartable::ytdl`]: crate::input::restartable::Restartable::ytdl
-pub async fn ytdl(uri: &str) -> Result<Input> {
-    _ytdl(uri, &[]).await
+pub async fn ytdl(uri: impl AsRef<str>) -> Result<Input> {
+    _ytdl(uri.as_ref(), &[]).await
 }
 
 pub(crate) async fn _ytdl(uri: &str, pre_args: &[&str]) -> Result<Input> {
@@ -170,6 +170,6 @@ pub(crate) async fn _ytdl_metadata(uri: &str) -> Result<Metadata> {
 /// Uses `youtube-dlc` if the `"youtube-dlc"` feature is enabled.
 ///
 /// [`Restartable::ytdl_search`]: crate::input::restartable::Restartable::ytdl_search
-pub async fn ytdl_search(name: &str) -> Result<Input> {
-    ytdl(&format!("ytsearch1:{}", name)).await
+pub async fn ytdl_search(name: impl AsRef<str>) -> Result<Input> {
+    ytdl(&format!("ytsearch1:{}", name.as_ref())).await
 }