Satisfy clippy

src/cli/layout/day.rs

@@ -189,7 +189,7 @@ impl DayLayout {
         }
     }
 
-    fn sort_entries(entries: &mut Vec<(usize, &Entry)>) {
+    fn sort_entries(entries: &mut [(usize, &Entry)]) {
         // Entries should be sorted by these factors, in descending order of
         // significance:
         // 1. Their start date, if any
@@ -219,7 +219,7 @@ impl DayLayout {
         entries.sort_by_key(|(_, e)| e.dates.map(|d| d.sorted().root_with_time()));
     }
 
-    fn sort_day(day: &mut Vec<DayEntry>) {
+    fn sort_day(day: &mut [DayEntry]) {
         // In a day, entries should be sorted into these categories:
         // 1. Untimed entries that end at the current day
         // 2. Timed entries, based on

src/cli/layout/line.rs

@@ -174,9 +174,7 @@ impl LineLayout {
                 self.line_entry(entries, *i, today, Times::At(*t), None);
             }
             DayEntry::TimedAt(i, t, t2) => {
-                let time = t2
-                    .map(|t2| Times::FromTo(*t, t2))
-                    .unwrap_or_else(|| Times::At(*t));
+                let time = t2.map(|t2| Times::FromTo(*t, t2)).unwrap_or(Times::At(*t));
                 self.line_entry(entries, *i, today, time, None);
             }
             DayEntry::TimedStart(i, t) => {

src/files/format.rs

@@ -319,7 +319,7 @@ impl fmt::Display for Command {
 }
 
 impl File {
-    fn sort(commands: &mut Vec<&Command>) {
+    fn sort(commands: &mut [&Command]) {
         // Order of commands in a file:
         // 1. Imports, sorted alphabetically
         // 2. Time zone(s)