I use all_equal when testing equality of dataframes, and make use of the output (rows which don't match) in the test harness to dive down into inputs and output and help work out what is happenning.
How can I call all.equal such that I get the same format output (eg "- Rows in x but not in y: 5567, 7642\n- Rows in y but not in x: 5567, 7642\n") as the now-deprecated all_equal?