fixup! WIP make parse_datetime parse longest datetime possible first

Author: jfinkels

src/lib.rs

@@ -296,7 +296,7 @@ fn parse_reference_date(date: DateTime<Local>, s: &str) -> Option<(DateTime<Fixe
     }
 
     // Weekday only.
-    if let Some(weekday) = parse_weekday::parse_weekday(&s) {
+    if let Some(weekday) = parse_weekday::parse_weekday(s) {
         let now = match date.with_time(NaiveTime::from_hms_opt(0, 0, 0).unwrap()) {
             MappedLocalTime::Single(t) => t,
             _ => return None,
@@ -308,7 +308,7 @@ fn parse_reference_date(date: DateTime<Local>, s: &str) -> Option<(DateTime<Fixe
     }
 
     // Unix timestamp (seconds from `1970-01-01 00:00:00 +0000`).
-    if let Ok(timestamp) = parse_timestamp(&s) {
+    if let Ok(timestamp) = parse_timestamp(s) {
         if let Some(datetime) = DateTime::from_timestamp(timestamp, 0) {
             let n = s.len();
             return Some((datetime.into(), n));
@@ -338,7 +338,7 @@ fn parse_reference_date(date: DateTime<Local>, s: &str) -> Option<(DateTime<Fixe
     }
 
     // Time only.
-    if let Some(date_time) = parse_time_only_str::parse_time_only(date, s.as_ref()) {
+    if let Some(date_time) = parse_time_only_str::parse_time_only(date, s) {
         let n = s.len();
         return Some((date_time, n));
     }