A persistent C++ variant
GNU E is a persistent, object oriented programming language developed as part of the Exodus project.
GNU E extends C++ with the notion of persistent data, program level data objects that can be transparently used across multiple executions of a program, or multiple programs, without explicit input and output operations.
GNU E's form of persistence is based on extensions to the C++ type system to distinguish potentially persistent data objects from objects that are always memory resident.
An object is made persistent either by its declaration (via a new "persistent" storage class qualifier) or by its method of allocation (via persistent dynamic allocation using a special overloading of the new operator).
The underlying object storage system is the Exodus storage manager, which provides concurrency control and recovery in addition to storage for persistent data.
restriction: Copyleft; not all run-time sources are available (yet)
requires: release 2.1.1 of the Exodus storage manager
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