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the-undefined/date_range.rb

Last active February 22, 2016 10:24
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Generating a range of sequential dates
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date_range.rb
require 'date'
# OK: but the bracket faries are in abundence :()
((Date.today)..(Date.today + 7)).to_a
# BAD: for performance
# https://github.com/bbatsov/rubocop/blob/58761c6bbb0ba68f78651df672b93f9c15e1213f/lib/rubocop/cop/performance/times_map.rb
7.times.map { |n| Date.today + n }
# GOOD: concise, clear & performant
Array.new(7) { |index| Date.today + index }
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