Module: Slab::HashExt

Defined in:
lib/slab/hash.rb

Instance Method Summary collapse

Instance Method Details

#extract(*keys) ⇒ Object 



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# File 'lib/slab/hash.rb', line 10

def extract(*keys)
  keys.inject({}) { |h, key|
    h[key] = self[key] if self.key?(key)
    h
  }
end

#hmap(&block) ⇒ Object 



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# File 'lib/slab/hash.rb', line 3

def hmap(&block)
  self.inject({}) { |h, i|
    h[i[0]] = yield(i[0], i[1])
    h
  }
end