Appends the value a to the end of the vector. The collection will automatically be resized if this causes the number of items in the collection to exceed the capacity. The collection will automatically be resized if this causes the number of items in the collection to exceed the capacity. The index i must be between 0 and the number of items in the vector or an exception of type RW BoundsError will occur. If there are no items in the collection then an exception of type RW BoundsError will occur.
Equality is measured by the class-defined equality operator.
Prepends the value a to the beginning of the vector. The collection will automatically be resized if this causes the number of items in the collection to exceed the capacity. Equality is measured by the class-defined equality operator. Equality is measured by the class-defined equality operator. Removes and returns the object at index i .