WIP

src/cron.rs

@@ -11,27 +11,25 @@ pub(crate) fn cron_to_systemd(cron_expr: &str, time_zone: &str) -> Result<String
     let timer_format = format!(
         //DOW Y-M-D H:M:S TZ
         "{} *-{}-{} {}:{}:00 {}",
-        linearize_time_unit(schedule.days_of_week(), "", ToString::to_string),
-        linearize_time_unit(schedule.months(), "*", ToString::to_string),
-        linearize_time_unit(schedule.days_of_month(), "*", ToString::to_string),
-        linearize_time_unit(schedule.hours(), "*", ToString::to_string),
-        linearize_time_unit(schedule.minutes(), "*", ToString::to_string),
+        linearize_time_unit(schedule.days_of_week(), ""),
+        linearize_time_unit(schedule.months(), "*"),
+        linearize_time_unit(schedule.days_of_month(), "*"),
+        linearize_time_unit(schedule.hours(), "*"),
+        linearize_time_unit(schedule.minutes(), "*"),
         time_zone,
     );
 
     return Ok(timer_format.trim().to_string());
 }
 
-fn linearize_time_unit<C>(input: &(impl TimeUnitSpec + Sized), star: &str, conv: C) -> String
-    where
-        C: Fn(&u32) -> String,
+fn linearize_time_unit(input: &(impl TimeUnitSpec + Sized), star: &str) -> String
 {
     if input.is_all() {
         star.to_owned()
     } else {
         let mut output = String::new();
         for part in input.iter() {
-            output.push_str(&*conv(&part));
+            output.push_str(&part.to_string());
             output.push(',');
         }
         output.pop();