style(arr): rustfmt arr-subs

crates/arr-subs/src/srt.rs

@@ -122,12 +122,7 @@ pub fn render(cues: &[Cue]) -> String {
             let _ = writeln!(out);
         }
         let _ = writeln!(out, "{}", position + 1);
-        let _ = writeln!(
+        let _ = writeln!(out, "{} --> {}", Timestamp(cue.start), Timestamp(cue.end));
-            out,
-            "{} --> {}",
-            Timestamp(cue.start),
-            Timestamp(cue.end)
-        );
         let _ = writeln!(out, "{}", cue.text);
     }
     out
@@ -142,7 +137,10 @@ impl fmt::Display for Timestamp {
         let (seconds, millis) = (millis / 1_000, millis % 1_000);
         let (minutes, seconds) = (seconds / 60, seconds % 60);
         let (hours, minutes) = (minutes / 60, minutes % 60);
-        write!(formatter, "{hours:02}:{minutes:02}:{seconds:02},{millis:03}")
+        write!(
+            formatter,
+            "{hours:02}:{minutes:02}:{seconds:02},{millis:03}"
+        )
     }
 }
 
@@ -176,13 +174,15 @@ fn parse_timestamp(text: &str) -> Result<Duration, String> {
     else {
         return Err(bad());
     };
-    let (seconds, millis) = rest
+    let (seconds, millis) = rest.split_once([',', '.']).ok_or_else(bad)?;
-        .split_once([',', '.'])
-        .ok_or_else(bad)?;
 
     let field = |s: &str| s.trim().parse::<u64>().map_err(|_| bad());
-    let (hours, minutes, seconds, millis) =
+    let (hours, minutes, seconds, millis) = (
-        (field(hours)?, field(minutes)?, field(seconds)?, field(millis)?);
+        field(hours)?,
+        field(minutes)?,
+        field(seconds)?,
+        field(millis)?,
+    );
     if minutes >= 60 || seconds >= 60 || millis >= 1_000 {
         return Err(bad());
     }
@@ -228,7 +228,8 @@ mod tests {
 
     #[test]
     fn original_indices_are_discarded_and_render_renumbers() {
-        let file = "7\n00:00:01,000 --> 00:00:02,000\nfirst\n\n9\n00:00:03,000 --> 00:00:04,000\nsecond\n";
+        let file =
+            "7\n00:00:01,000 --> 00:00:02,000\nfirst\n\n9\n00:00:03,000 --> 00:00:04,000\nsecond\n";
         let cues = parse(file).expect("gappy indices parse");
         let rendered = render(&cues);
         assert!(rendered.starts_with("1\n00:00:01,000 --> 00:00:02,000\nfirst\n"));

crates/arr-subs/src/translate.rs

@@ -102,7 +102,8 @@ pub struct TranslatedCue {
 }
 
 /// The translated batch, in reply order.
-pub type TranslateFuture<'a> = Pin<Box<dyn Future<Output = Result<Vec<TranslatedCue>>> + Send + 'a>>;
+pub type TranslateFuture<'a> =
+    Pin<Box<dyn Future<Output = Result<Vec<TranslatedCue>>> + Send + 'a>>;
 
 /// One translation backend (DESIGN.md §15).
 ///