public interface Iterator extends Traversable
Modifier and Type | Method and Description |
---|---|
Value |
current(Env env)
Returns the current value.
|
Value |
key(Env env)
Returns the current key.
|
void |
next(Env env)
Advances to the next row.
|
void |
rewind(Env env)
Rewinds the iterator so it is at the first row.
|
boolean |
valid(Env env)
Returns true if the iterator currently points to a valid row.
|