Internal functions to access or replace an object metadata field without
going through attribute trees. field_system(), field_object() and
field_user() correspond to the system, object and user meta fields,
respectively.
field_system(x, field = NULL) field_system(x, field = NULL) <- value field_object(x, field = NULL) field_object(x, field = NULL) <- value field_user(x, field = NULL) field_user(x, field = NULL) <- value
| x | a list of attributes extracted from a |
|---|---|
| field | name of the sub-field to access or assign values |