Hash with symbol access of Strings in Ruby – the start of an implementation

symbol_access_hash.rb

# encoding: utf-8

class HashWithSymbolAccessOfStrings < Hash
	def [](key)
		begin
			self.fetch key
		rescue KeyError
			string_key = key.to_s
			if string_key != key
				self[string_version]
			else
				self.default(key)
			end
		end
	end
	
	def []=(key, value)
		# should work for new keys and overwriting
	end
	
	def fetch(*args)
		# do I have to override this, too? And all of the other fetching methods?
	end
end