Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/trellohub/core_ext/hash.rb

Instance Method Summary collapse

Instance Method Details

#extract(*keys) ⇒ Object 



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# File 'lib/trellohub/core_ext/hash.rb', line 8

def extract(*keys)
  self.each_with_object(self.class.new) { |(k, v), hash|
    hash[k] = v unless keys.include?(k)
  }
end

#slice(*keys) ⇒ Object 



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# File 'lib/trellohub/core_ext/hash.rb', line 2

def slice(*keys)
  keys.each_with_object(self.class.new) { |k, hash|
    hash[k] = self[k] if has_key?(k)
  }
end

#stringify_keys ⇒ Object 



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# File 'lib/trellohub/core_ext/hash.rb', line 21

def stringify_keys
  self.each_with_object(self.class.new) { |(k, v), hash|
    v = v.stringify_keys if v.is_a?(self.class)
    hash["#{k}"] = v
  }
end

#symbolize_keys ⇒ Object 



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# File 'lib/trellohub/core_ext/hash.rb', line 14

def symbolize_keys
  self.each_with_object(self.class.new) { |(k, v), hash|
    v = v.symbolize_keys if v.class.name == self.class.name
    hash[:"#{k}"] = v
  }
end