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@ -28,13 +28,14 @@ var defaultParser = cron.NewParser(parserFormat)
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// - day of week e.g. 1 (required)
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//
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// Example Usage:
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// local_sched, _ := schedule.Weekly("59 23 *")
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// fmt.Println(sched.Next(time.Now().Format(time.RFC3339)))
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// // Output: 2022-04-04T23:59:00Z
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//
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// us_sched, _ := schedule.Weekly("CRON_TZ=US/Central 30 9 1-5")
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// fmt.Println(sched.Next(time.Now()).Format(time.RFC3339))
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// // Output: 2022-04-04T14:30:00Z
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// local_sched, _ := schedule.Weekly("59 23 *")
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// fmt.Println(sched.Next(time.Now().Format(time.RFC3339)))
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// // Output: 2022-04-04T23:59:00Z
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//
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// us_sched, _ := schedule.Weekly("CRON_TZ=US/Central 30 9 1-5")
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// fmt.Println(sched.Next(time.Now()).Format(time.RFC3339))
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// // Output: 2022-04-04T14:30:00Z
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func Weekly(raw string) (*Schedule, error) {
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if err := validateWeeklySpec(raw); err != nil {
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return nil, xerrors.Errorf("validate weekly schedule: %w", err)
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@ -115,12 +116,12 @@ var tMax = t0.Add(168 * time.Hour)
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// Min returns the minimum duration of the schedule.
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// This is calculated as follows:
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// - Let t(0) be a given point in time (1970-01-01T01:01:01Z00:00)
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// - Let t(max) be 168 hours after t(0).
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// - Let t(1) be the next scheduled time after t(0).
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// - Let t(n) be the next scheduled time after t(n-1).
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// - Then, the minimum duration of s d(min)
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// = min( t(n) - t(n-1) ∀ n ∈ N, t(n) < t(max) )
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// - Let t(0) be a given point in time (1970-01-01T01:01:01Z00:00)
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// - Let t(max) be 168 hours after t(0).
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// - Let t(1) be the next scheduled time after t(0).
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// - Let t(n) be the next scheduled time after t(n-1).
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// - Then, the minimum duration of s d(min)
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// = min( t(n) - t(n-1) ∀ n ∈ N, t(n) < t(max) )
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func (s Schedule) Min() time.Duration {
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durMin := tMax.Sub(t0)
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tPrev := s.Next(t0)
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