package iter

import (
	"internal/race"
	"runtime"
	"unsafe"
)

// Seq is an iterator over sequences of individual values.
// When called as seq(yield), seq calls yield(v) for each value v in the sequence,
// stopping early if yield returns false.
type Seq[V any] func(yield func(V) bool)

// Seq2 is an iterator over sequences of pairs of values, most commonly key-value pairs.

    }

    private void removeKotlin(Collection<File> apiClasspath) {
        Iterator<File> iterator = apiClasspath.iterator();
        while (iterator.hasNext()) {
            String name = iterator.next().getName();
            if (name.startsWith("kotlin-") || name.startsWith("gradle-kotlin-")) {
                iterator.remove();
            }
        }
    }

		if !ok {
			break
		}
		if v != 5 {
			return fmt.Errorf("bad iterator: wanted value %d, got %d", 5, v)
		}
	}
	return nil
}

func callerExhaustLocked(i iter.Seq[int]) error {
	runtime.LockOSThread()
	next, _ := iter.Pull(i)
	for {
		v, ok := next()
		if !ok {
			break
		}
		if v != 5 {
			return fmt.Errorf("bad iterator: wanted value %d, got %d", 5, v)
		}
	}
	runtime.UnlockOSThread()

			break
		}
		if v != 5 {
			return fmt.Errorf("bad iterator: wanted value %d, got %d", 5, v)
		}
	}
	return nil
}

func callerExhaustCallback(i iter.Seq[int]) (err error) {
	callFromC(func() {
		next, _ := iter.Pull(i)
		for {
			v, ok := next()
			if !ok {
				break
			}
			if v != 5 {
				err = fmt.Errorf("bad iterator: wanted value %d, got %d", 5, v)
			}
		}
	})
	return err

        finishInput(event);
        replayEvents();
    }

    private void replayEvents() {
        ListIterator<OutputEvent> iterator = eventQueue.listIterator();

        while (iterator.hasNext()) {
            delegate.onOutput(iterator.next());
            iterator.remove();
        }
    }

    List<OutputEvent> getEventQueue() {
        return eventQueue;
    }

    }
    try {
      Iterator<Integer> iterator = unmod.iterator();
      iterator.next();
      iterator.remove();
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      Iterator<Integer> iterator = unmod.descendingIterator();
      iterator.next();
      iterator.remove();

     *            初期容量
     */
    public CaseInsensitiveSet(final int initialCapacity) {
        map = new CaseInsensitiveMap<>(initialCapacity);
    }

    @Override
    public Iterator<String> iterator() {
        return map.keySet().iterator();
    }

    @Override
    public int size() {
        return map.size();
    }

    @Override
    public boolean isEmpty() {
        return map.isEmpty();
    }

        if (object == null) {
          throw new NullPointerException();
        }
      }
    }
    return super.containsAll(collection);
  }

  @Override
  public Iterator<E> iterator() {
    return Arrays.asList(contents).iterator();
  }

  @Override
  public @Nullable Object[] toArray() {
    @Nullable Object[] result = new @Nullable Object[contents.length];

    return delegate.higher(checkValid(e));
  }

  @Override
  public boolean isEmpty() {
    return delegate.isEmpty();
  }

  @Override
  public Iterator<E> iterator() {
    return delegate.iterator();
  }

  @Override
  public E last() {
    return delegate.last();
  }

  @Override
  public @Nullable E lower(E e) {
    return delegate.lower(checkValid(e));
  }

                        queue.addFirst(list.get(i));
                    }
                } else {
                    ListIterator<?> iterator = list.listIterator(list.size());
                    while (iterator.hasPrevious()) {
                        Object item = iterator.previous();
                        queue.addFirst(item);
                    }
                }