11 lines
292 B
Ruby
11 lines
292 B
Ruby
require 'date'
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palindate = Enumerator.new do |yielder|
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("2020"..).each do |y|
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m, d = y.reverse.scan(/../) # let the Y10K kids handle 5 digit years
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strings = [y, m, d]
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yielder << strings.join("-") if Date.valid_date?( *strings.map( &:to_i ) )
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end
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end
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puts palindate.take(15)
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