The contents should not be changed. Should be used with care. Performs a linear search and returns TRUE if the vector contains an object that is equal to the object target and puts a copy of the matching object into ret . Equality is measured by the class-defined equality operator. An exception of type RW BoundsError will occur if the vector is empty.
Equality is measured by the class-defined equality operator.
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.