TIterator
Abstract base class for facilities that allow iteration over elements of type
TElement.Inheritance
| Level | Ancestor | Description |
|---|---|---|
| 1 | TObject | Ultimate ancestor in a class hierarchy |
| 2 | TIterator |
Source
Iterator.pas (24)
Description
Upon creation a TIterator<TElement> is initialized at the first element.
Current retrieves the current element if the iterator IsValid.
GotoNext advances the iterator to the next element.
Methods
| Scope | Visibility | Result | Name | Description |
|---|---|---|---|---|
| Instance | protected | TElement | GetCurrent() | |
| Instance | public | TBoolean | IsValid() | Returns whether the iterator is at a valid position and an evaluation of Current will succeed |
| Instance | public | GotoNext() | Advances the iterator to the next position. | |
| Instance | public | TIterator<TElement> | Copy() | Returns a new iterator at the same position |
| Instance | public | TElement | Read() | Returns Current and then calls GotoNext |