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mlomnicki/compare_without_order.rb

Last active December 19, 2015 09:39
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Check if two arrays have exactly the same elements (we don't care about order)
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compare_without_order.rb
# Check if two arrays have exactly the same elements (we don't care about order)
keys = [2,1]
1. keys.sort == [1, 2]
2. Set.new(keys) == [1,2].to_set
3. (keys - [1,2]).empty?
4. (keys - [1,2,]).size == 0
5. Your idea?
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