Created
August 5, 2015 03:59
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Flatten a Hash, preserving key namespacing
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| def flattened_hash(h, namespace = '', memo = {}) | |
| h.reduce(memo) { |memo, (key, value)| | |
| if value.instance_of?(Hash) | |
| memo.merge!(flattened_hash(value, "#{namespace}#{key}_", memo)) | |
| else | |
| memo["#{namespace}#{key}"] = value | |
| end | |
| memo | |
| } | |
| end |
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