module Daru
  class Vector
    include Enumerable

    def each(&block)
      @vector.each(&block)
    end

    attr_reader :name

    attr_reader :size

    def initialize source, name=SecureRandom.uuid
      @name = source.is_a?(Hash) ? source.keys[0] : name

      @vector = 
      if source.is_a? Hash
        source.values[0].is_a?(Range) ? source.values[0].to_a  : source.values[0]
      elsif source.is_a? Range or source.is_a? Matrix
        source.to_a.flatten
      else
        source
      end

      @size = @vector.size
    end

    def [](index)
      @vector[index]
    end
  end
end