instance_variables_from_hash

instance_variables_from_hash.rb

book_params = {price: 100, isbn: 100}

puts book_params.class.name

puts p.inspect

class Book
	def initialize(book_params)
		if (book_params.instance_of? Hash)
			book_params.each do |k, v|
				instance_variable_set("@#{k}", v)
				# set accessors
				genclass = class<<self; self; end
				genclass.class_eval do
					attr_reader k
					attr_accessor k
				end
			end
		end		
	end
end

b = Book.new(book_params)
puts b.inspect
puts b.price