Created
December 1, 2012 21:55
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Sometimes you just need to zip two hashes
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| def zip_hash hash_a, hash_b, missing_element = nil | |
| all_keys = (hash_a.keys + hash_b.keys).uniq | |
| result = {} | |
| all_keys.each do |key| | |
| result[key] = [hash_a[key] || missing_element, hash_b[key] || missing_element] | |
| end | |
| result | |
| end |
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