[ CCode ( has_target = false ) ]
public delegate IteratorResult IteratorNextFunction (Iterator it, ref Value result)
The function that will be called when the next element of the iterator should be retrieved.
Implementors of a Iterator should implement this function and pass it to the constructor of the custom iterator. The function will be called with the iterator lock held.
| it |
the iterator |
| result |
a pointer to hold the next item |
|
the result of the operation. |