popcorn :: UniqueField :: check_unicity
val
is already used somewhereYou must redefine this method to handle your own validation.
# Check if `val` is already used somewhere
#
# You must redefine this method to handle your own validation.
fun check_unicity(v: ObjectValidator, field, val: String): Bool is abstract
lib/popcorn/pop_validation.nit:798,2--801,76