Rails 5.2 Date#prev_occurring & Date#next_occurring

Before Rails 5.2, this is how we would write to find next or previous occurring day of the week.

Assume that current date is Tue, 27 Feb 2018.

1# find previous thursday
2>> Date.yesterday.beginning_of_week(:thursday)
3=> Thu, 22 Feb 2018
4
5# find next thursday
6>> Date.tomorrow.end_of_week(:friday)
7=> Thu, 01 Mar 2018
8
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Rails 5.2 has introduced methods Date#prev_occurring and Date#next_occurring to find next & previous occurring day of the week.

1# find previous thursday
2>> Date.prev_occurring(:thursday)
3=> Thu, 22 Feb 2018
4
5# find next thursday
6>> Date.next_occurring(:thursday)
7=> Thu, 01 Mar 2018
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