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k-hamada/date_infinity.rb

Created March 15, 2017 10:10
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date_infinity.rb
[1] pry(main)> require "date"
=> true
[2] pry(main)> (Date.today .. Date::Infinity.new).cover? Date.parse("2112/9/3")
=> true
[3] pry(main)> (-Date::Infinity.new .. Date::Infinity.new).cover? Date.parse("2112/9/3")
=> false
[4] pry(main)> (0 .. Float::INFINITY).cover? 1
=> true
[5] pry(main)> (-Float::INFINITY .. Float::INFINITY).cover? 1
=> true
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