Human-friendly Struct :D

hstruct.rb

module HStruct
  def self.new(**props)
    attrs = props.map { |s| ":#{s}" }.join(", ")
    init  = attrs.map { |s| "@#{s} = #{s}" }.join("\n")
    args  = props.map { |s| "#{s}: nil" }.join(", ")

    Class.new do
      class_eval <<-RUBY
      attr_accessor #{attrs.map { |s| ":#{s}" }.join ", "}
      def initialize(#{args})
        #{init}
      end
      RUBY
    end
  end
end