Generating a range of sequential dates

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 }