the save method is implemented very rarely, and most objects which use efl.file
will not be able to use a save method
ref T5719
Reviewed-by: Cedric BAIL <cedric.bail@free.fr>
Reviewed-by: Marcel Hollerbach <marcel-hollerbach@t-online.de>
Differential Revision: https://phab.enlightenment.org/D7786
This changes a lot of things all across the EFL. Previously,
methods tagged @const had both their external prototype and
internal impl generated with const on object, while property
getters only had const on the external API. This is now changed
and it all has const everywhere.
Ref T6859.