loaded_files : (string * Digest.t) list ref
List of files loaded so far.
This reference variable stores a list of previously loaded files together with
MD5 digests. It is updated by all the main loading functions load_on_path,
loads, loadt and needs, and is used by needs to avoid reloading the
same file multiple times.
- FAILURE CONDITIONS
Not really intended for average users to examine or modify.
- SEE ALSO
load_on_path, loads, loadt, needs.