Empty a set

Use the [set->removeAll] method.

Code

var( workSchedule = set('Mon' = 'Jono', 
                        'Tues'='Sean', 
                        'Wed'='Jess', 
                        'Thur'='Eric',
                        'Fri' ='Jordon', 
                        'Sat'='Jono',
                        'Sun'='Jono') )

$workSchedule->removeall
$workSchedule

Result

set()