Should be used with care. Performs a binary 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. Returns the first item in the collection. An exception of type RW BoundsError will occur if the vector is empty.
Equality is measured by the class-defined equality operator.
Performs a binary search, inserting a after all items that compare less than or equal to it, but before all items that do not. The collection will be resized automatically if this causes the number of items to exceed the capacity. 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. Equality is measured by the class-defined equality operator.