start refactoring to a lib version0

version0/text_document.hpp

@@ -0,0 +1,31 @@
+#include "./list.hpp"
+
+namespace GreenCRDT {
+
+template<typename AgentType>
+struct TextDocument {
+	// TODO: determine if char is the best
+	using ListType = List<char, AgentType>;
+
+	struct Cursor {
+		AgentType who;
+		typename ListType::ListID pos;
+	};
+
+	ListType state;
+
+	std::string getText(void) {
+		std::string text;
+
+		for (const auto& it : state.list) {
+			if (it.value) {
+				text += it.value.value();
+			}
+		}
+
+		return text;
+	}
+};
+
+} // GreenCRDT
+