Where a task has got to. Transitions are checked; an illegal one raises (A1).
A1
Waiting on the dispatcher's board for a vehicle.
A vehicle has committed to it but has not yet taken possession of the load.
The load is aboard. Beyond this point the assignment cannot be revoked (A4).
A4
Delivered. Terminal.
Abandoned before delivery. Terminal.
Returns a representation of an immutable list of all enum entries, in the order they're declared.
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.