Module: Hiccup::CoreExt::HashExtensions

Defined in:
lib/hiccup/core_ext/hash.rb

Instance Method Summary collapse

Instance Method Details

#group_by_value ⇒ Object Also known as: flip 



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# File 'lib/hiccup/core_ext/hash.rb', line 5

def group_by_value
  each_with_object({}) do |(key, value), new_hash|
    (new_hash[value]||=[]).push(key)
  end
end