/** Object Data Persistence. See_Also: https://stackoverflow.com/questions/20932921/automatic-object-persistence-in-d/20934647?noredirect=1#20934647 */ module nxt.persistence; /// Persistent storage of variables of type `T`. struct persistent(T, string file = __FILE__, size_t line = __LINE__) { T store; alias store this; @disable this(); // require an initializer // with the initializer this(T t) { // if it is in the file, we should load it here // else... store = t; } ~this() nothrow { // import std.stdio : writeln; // you should actually save it to the file. TODO: Import file and // calculate its sha1 all at compile-time! /+ TODO: Save store, " as key ", file,":",line); +/ } } unittest { persistent!int x = 10; }