all.equal(target, current) is a utility to compare join_keys objects target
and current testing near equality.
# S3 method for equal.join_keys
all(target, current, ...)R object.
other R object, to be compared with target.
further arguments for different methods. Not used with join_keys.
If they are different, comparison is still made to some extent, and a report
of the differences is returned.
Do not use all.equal directly in if expressions—either use isTRUE(all.equal(....))
or identical if appropriate.
The parents attribute comparison tolerates NULL and empty lists and will find
no difference.
The list containing all the relationships is treated like a map and ignores
entries with NULL if they exist.