Class: Dictionary

Inherits

Hashery::Dictionary

• Object
• Hashery::Dictionary
• Dictionary

show all

Defined in

lib/kyanite/dictionary.rb

Instance Method Summary (collapse)

• - (Object) -(other)
• - (Object) each_with_index
• - (Object) fetch_by_index(index)
• - (Object) first_key
• - (Object) last_key
• - (Object) unshift(k, v)

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# File 'lib/kyanite/dictionary.rb', line 32

def -(other)
  (self.to_a - other.to_a).to_dictionary
end

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# File 'lib/kyanite/dictionary.rb', line 47

def each_with_index
  order.each_with_index { |k,i| yield( k, @hash[k], i ) }
  self
end

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# File 'lib/kyanite/dictionary.rb', line 20

def fetch_by_index(index)
  @hash[order[index]]
end

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# File 'lib/kyanite/dictionary.rb', line 24

def first_key
  order.first
end

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# File 'lib/kyanite/dictionary.rb', line 28

def last_key
  order.last
end

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# File 'lib/kyanite/dictionary.rb', line 36

def unshift( k,v )
  unless @hash.include?( k )
    @order.unshift( k )
    @hash.store( k,v )
    true
  else
    false
  end
end