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module CoreExtensions
module Hash
def translate_keys_and_values(&block)
inject({}) {|a, (key, value)| a.update(block.call(key) => block.call(value))}
end
end
end
Hash.send(:include, CoreExtensions::Hash)
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It’s like symbolize_keys but a bit more flexible. It calls the block for every key and value in the hash. Of course you could tune it just do keys or values if you wanted. I do not want!
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{"1" => "2"}.translate_keys_and_values(&:to_i) # => {1 => 2}
{1 => 2}.translate_keys_and_values {|x| x + 1 } # => {2 => 3}
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