Computational gestalts

There are number of commonly accepted concepts that are redefined or reevaluated in xreate.

• Interface is comprised of common subset of features supported by all concrete implementations. See containers

• Entity's annotations(like function, objects annotations) are exposed to and could be intospected by client code in other words by caller. Most usefull is exposing of caller annotations to a callee code.
  
  *Lazy/eager execution opposition. It's possible to determine which sites of using resource should treat it as lazy resource or eager otherwise. See usage for details.