Gets the number of values that are part of the set from @first to @last
(inclusive).
Note that this function returns a guint64, because when all values are
set, the return value is G_MAXUINT + 1. Unless you are sure this cannot
happen (it can't with GListModel), be sure to use a 64bit type.
Gets the number of values that are part of the set from @first to @last (inclusive).
Note that this function returns a guint64, because when all values are set, the return value is G_MAXUINT + 1. Unless you are sure this cannot happen (it can't with GListModel), be sure to use a 64bit type.