1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * gtkD is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 
25 module glib.Sequence;
26 
27 private import glib.ConstructionException;
28 private import glib.SequenceIter;
29 private import gtkc.glib;
30 public  import gtkc.glibtypes;
31 
32 
33 /**
34  * The #GSequence struct is an opaque data type representing a
35  * [sequence][glib-Sequences] data type.
36  */
37 public class Sequence
38 {
39 	/** the main Gtk struct */
40 	protected GSequence* gSequence;
41 	protected bool ownedRef;
42 
43 	/** Get the main Gtk struct */
44 	public GSequence* getSequenceStruct()
45 	{
46 		return gSequence;
47 	}
48 
49 	/** the main Gtk struct as a void* */
50 	protected void* getStruct()
51 	{
52 		return cast(void*)gSequence;
53 	}
54 
55 	/**
56 	 * Sets our main struct and passes it to the parent class.
57 	 */
58 	public this (GSequence* gSequence, bool ownedRef = false)
59 	{
60 		this.gSequence = gSequence;
61 		this.ownedRef = ownedRef;
62 	}
63 
64 
65 	/**
66 	 * Adds a new item to the end of @seq.
67 	 *
68 	 * Params:
69 	 *     data = the data for the new item
70 	 *
71 	 * Return: an iterator pointing to the new item
72 	 *
73 	 * Since: 2.14
74 	 */
75 	public SequenceIter append(void* data)
76 	{
77 		auto p = g_sequence_append(gSequence, data);
78 		
79 		if(p is null)
80 		{
81 			return null;
82 		}
83 		
84 		return new SequenceIter(cast(GSequenceIter*) p);
85 	}
86 
87 	/**
88 	 * Calls @func for each item in the sequence passing @user_data
89 	 * to the function.
90 	 *
91 	 * Params:
92 	 *     func = the function to call for each item in @seq
93 	 *     userData = user data passed to @func
94 	 *
95 	 * Since: 2.14
96 	 */
97 	public void foreac(GFunc func, void* userData)
98 	{
99 		g_sequence_foreach(gSequence, func, userData);
100 	}
101 
102 	/**
103 	 * Frees the memory allocated for @seq. If @seq has a data destroy
104 	 * function associated with it, that function is called on all items
105 	 * in @seq.
106 	 *
107 	 * Since: 2.14
108 	 */
109 	public void free()
110 	{
111 		g_sequence_free(gSequence);
112 	}
113 
114 	/**
115 	 * Returns the begin iterator for @seq.
116 	 *
117 	 * Return: the begin iterator for @seq.
118 	 *
119 	 * Since: 2.14
120 	 */
121 	public SequenceIter getBeginIter()
122 	{
123 		auto p = g_sequence_get_begin_iter(gSequence);
124 		
125 		if(p is null)
126 		{
127 			return null;
128 		}
129 		
130 		return new SequenceIter(cast(GSequenceIter*) p);
131 	}
132 
133 	/**
134 	 * Returns the end iterator for @seg
135 	 *
136 	 * Return: the end iterator for @seq
137 	 *
138 	 * Since: 2.14
139 	 */
140 	public SequenceIter getEndIter()
141 	{
142 		auto p = g_sequence_get_end_iter(gSequence);
143 		
144 		if(p is null)
145 		{
146 			return null;
147 		}
148 		
149 		return new SequenceIter(cast(GSequenceIter*) p);
150 	}
151 
152 	/**
153 	 * Returns the iterator at position @pos. If @pos is negative or larger
154 	 * than the number of items in @seq, the end iterator is returned.
155 	 *
156 	 * Params:
157 	 *     pos = a position in @seq, or -1 for the end
158 	 *
159 	 * Return: The #GSequenceIter at position @pos
160 	 *
161 	 * Since: 2.14
162 	 */
163 	public SequenceIter getIterAtPos(int pos)
164 	{
165 		auto p = g_sequence_get_iter_at_pos(gSequence, pos);
166 		
167 		if(p is null)
168 		{
169 			return null;
170 		}
171 		
172 		return new SequenceIter(cast(GSequenceIter*) p);
173 	}
174 
175 	/**
176 	 * Returns the length of @seq
177 	 *
178 	 * Return: the length of @seq
179 	 *
180 	 * Since: 2.14
181 	 */
182 	public int getLength()
183 	{
184 		return g_sequence_get_length(gSequence);
185 	}
186 
187 	/**
188 	 * Inserts @data into @sequence using @func to determine the new
189 	 * position. The sequence must already be sorted according to @cmp_func;
190 	 * otherwise the new position of @data is undefined.
191 	 *
192 	 * @cmp_func is called with two items of the @seq and @user_data.
193 	 * It should return 0 if the items are equal, a negative value
194 	 * if the first item comes before the second, and a positive value
195 	 * if the second  item comes before the first.
196 	 *
197 	 * Params:
198 	 *     data = the data to insert
199 	 *     cmpFunc = the function used to compare items in the sequence
200 	 *     cmpData = user data passed to @cmp_func.
201 	 *
202 	 * Return: a #GSequenceIter pointing to the new item.
203 	 *
204 	 * Since: 2.14
205 	 */
206 	public SequenceIter insertSorted(void* data, GCompareDataFunc cmpFunc, void* cmpData)
207 	{
208 		auto p = g_sequence_insert_sorted(gSequence, data, cmpFunc, cmpData);
209 		
210 		if(p is null)
211 		{
212 			return null;
213 		}
214 		
215 		return new SequenceIter(cast(GSequenceIter*) p);
216 	}
217 
218 	/**
219 	 * Like g_sequence_insert_sorted(), but uses
220 	 * a #GSequenceIterCompareFunc instead of a #GCompareDataFunc as
221 	 * the compare function.
222 	 *
223 	 * @iter_cmp is called with two iterators pointing into @seq.
224 	 * It should return 0 if the iterators are equal, a negative
225 	 * value if the first iterator comes before the second, and a
226 	 * positive value if the second iterator comes before the first.
227 	 *
228 	 * It is called with two iterators pointing into @seq. It should
229 	 * return 0 if the iterators are equal, a negative value if the
230 	 * first iterator comes before the second, and a positive value
231 	 * if the second iterator comes before the first.
232 	 *
233 	 * Params:
234 	 *     data = data for the new item
235 	 *     iterCmp = the function used to compare iterators in the sequence
236 	 *     cmpData = user data passed to @cmp_func
237 	 *
238 	 * Return: a #GSequenceIter pointing to the new item
239 	 *
240 	 * Since: 2.14
241 	 */
242 	public SequenceIter insertSortedIter(void* data, GSequenceIterCompareFunc iterCmp, void* cmpData)
243 	{
244 		auto p = g_sequence_insert_sorted_iter(gSequence, data, iterCmp, cmpData);
245 		
246 		if(p is null)
247 		{
248 			return null;
249 		}
250 		
251 		return new SequenceIter(cast(GSequenceIter*) p);
252 	}
253 
254 	/**
255 	 * Returns %TRUE if the sequence contains zero items.
256 	 *
257 	 * This function is functionally identical to checking the result of
258 	 * g_sequence_get_length() being equal to zero. However this function is
259 	 * implemented in O(1) running time.
260 	 *
261 	 * Return: %TRUE if the sequence is empty, otherwise %FALSE.
262 	 *
263 	 * Since: 2.48
264 	 */
265 	public bool isEmpty()
266 	{
267 		return g_sequence_is_empty(gSequence) != 0;
268 	}
269 
270 	/**
271 	 * Returns an iterator pointing to the position of the first item found
272 	 * equal to @data according to @cmp_func and @cmp_data. If more than one
273 	 * item is equal, it is not guaranteed that it is the first which is
274 	 * returned. In that case, you can use g_sequence_iter_next() and
275 	 * g_sequence_iter_prev() to get others.
276 	 *
277 	 * @cmp_func is called with two items of the @seq and @user_data.
278 	 * It should return 0 if the items are equal, a negative value if
279 	 * the first item comes before the second, and a positive value if
280 	 * the second item comes before the first.
281 	 *
282 	 * This function will fail if the data contained in the sequence is
283 	 * unsorted.  Use g_sequence_insert_sorted() or
284 	 * g_sequence_insert_sorted_iter() to add data to your sequence or, if
285 	 * you want to add a large amount of data, call g_sequence_sort() after
286 	 * doing unsorted insertions.
287 	 *
288 	 * Params:
289 	 *     data = data to lookup
290 	 *     cmpFunc = the function used to compare items in the sequence
291 	 *     cmpData = user data passed to @cmp_func
292 	 *
293 	 * Return: an #GSequenceIter pointing to the position of the
294 	 *     first item found equal to @data according to @cmp_func and
295 	 *     @cmp_data, or %NULL if no such item exists
296 	 *
297 	 * Since: 2.28
298 	 */
299 	public SequenceIter lookup(void* data, GCompareDataFunc cmpFunc, void* cmpData)
300 	{
301 		auto p = g_sequence_lookup(gSequence, data, cmpFunc, cmpData);
302 		
303 		if(p is null)
304 		{
305 			return null;
306 		}
307 		
308 		return new SequenceIter(cast(GSequenceIter*) p);
309 	}
310 
311 	/**
312 	 * Like g_sequence_lookup(), but uses a #GSequenceIterCompareFunc
313 	 * instead of a #GCompareDataFunc as the compare function.
314 	 *
315 	 * @iter_cmp is called with two iterators pointing into @seq.
316 	 * It should return 0 if the iterators are equal, a negative value
317 	 * if the first iterator comes before the second, and a positive
318 	 * value if the second iterator comes before the first.
319 	 *
320 	 * This function will fail if the data contained in the sequence is
321 	 * unsorted.  Use g_sequence_insert_sorted() or
322 	 * g_sequence_insert_sorted_iter() to add data to your sequence or, if
323 	 * you want to add a large amount of data, call g_sequence_sort() after
324 	 * doing unsorted insertions.
325 	 *
326 	 * Params:
327 	 *     data = data to lookup
328 	 *     iterCmp = the function used to compare iterators in the sequence
329 	 *     cmpData = user data passed to @iter_cmp
330 	 *
331 	 * Return: an #GSequenceIter pointing to the position of
332 	 *     the first item found equal to @data according to @cmp_func
333 	 *     and @cmp_data, or %NULL if no such item exists
334 	 *
335 	 * Since: 2.28
336 	 */
337 	public SequenceIter lookupIter(void* data, GSequenceIterCompareFunc iterCmp, void* cmpData)
338 	{
339 		auto p = g_sequence_lookup_iter(gSequence, data, iterCmp, cmpData);
340 		
341 		if(p is null)
342 		{
343 			return null;
344 		}
345 		
346 		return new SequenceIter(cast(GSequenceIter*) p);
347 	}
348 
349 	/**
350 	 * Adds a new item to the front of @seq
351 	 *
352 	 * Params:
353 	 *     data = the data for the new item
354 	 *
355 	 * Return: an iterator pointing to the new item
356 	 *
357 	 * Since: 2.14
358 	 */
359 	public SequenceIter prepend(void* data)
360 	{
361 		auto p = g_sequence_prepend(gSequence, data);
362 		
363 		if(p is null)
364 		{
365 			return null;
366 		}
367 		
368 		return new SequenceIter(cast(GSequenceIter*) p);
369 	}
370 
371 	/**
372 	 * Returns an iterator pointing to the position where @data would
373 	 * be inserted according to @cmp_func and @cmp_data.
374 	 *
375 	 * @cmp_func is called with two items of the @seq and @user_data.
376 	 * It should return 0 if the items are equal, a negative value if
377 	 * the first item comes before the second, and a positive value if
378 	 * the second item comes before the first.
379 	 *
380 	 * If you are simply searching for an existing element of the sequence,
381 	 * consider using g_sequence_lookup().
382 	 *
383 	 * This function will fail if the data contained in the sequence is
384 	 * unsorted.  Use g_sequence_insert_sorted() or
385 	 * g_sequence_insert_sorted_iter() to add data to your sequence or, if
386 	 * you want to add a large amount of data, call g_sequence_sort() after
387 	 * doing unsorted insertions.
388 	 *
389 	 * Params:
390 	 *     data = data for the new item
391 	 *     cmpFunc = the function used to compare items in the sequence
392 	 *     cmpData = user data passed to @cmp_func
393 	 *
394 	 * Return: an #GSequenceIter pointing to the position where @data
395 	 *     would have been inserted according to @cmp_func and @cmp_data
396 	 *
397 	 * Since: 2.14
398 	 */
399 	public SequenceIter search(void* data, GCompareDataFunc cmpFunc, void* cmpData)
400 	{
401 		auto p = g_sequence_search(gSequence, data, cmpFunc, cmpData);
402 		
403 		if(p is null)
404 		{
405 			return null;
406 		}
407 		
408 		return new SequenceIter(cast(GSequenceIter*) p);
409 	}
410 
411 	/**
412 	 * Like g_sequence_search(), but uses a #GSequenceIterCompareFunc
413 	 * instead of a #GCompareDataFunc as the compare function.
414 	 *
415 	 * @iter_cmp is called with two iterators pointing into @seq.
416 	 * It should return 0 if the iterators are equal, a negative value
417 	 * if the first iterator comes before the second, and a positive
418 	 * value if the second iterator comes before the first.
419 	 *
420 	 * If you are simply searching for an existing element of the sequence,
421 	 * consider using g_sequence_lookup_iter().
422 	 *
423 	 * This function will fail if the data contained in the sequence is
424 	 * unsorted.  Use g_sequence_insert_sorted() or
425 	 * g_sequence_insert_sorted_iter() to add data to your sequence or, if
426 	 * you want to add a large amount of data, call g_sequence_sort() after
427 	 * doing unsorted insertions.
428 	 *
429 	 * Params:
430 	 *     data = data for the new item
431 	 *     iterCmp = the function used to compare iterators in the sequence
432 	 *     cmpData = user data passed to @iter_cmp
433 	 *
434 	 * Return: a #GSequenceIter pointing to the position in @seq
435 	 *     where @data would have been inserted according to @iter_cmp
436 	 *     and @cmp_data
437 	 *
438 	 * Since: 2.14
439 	 */
440 	public SequenceIter searchIter(void* data, GSequenceIterCompareFunc iterCmp, void* cmpData)
441 	{
442 		auto p = g_sequence_search_iter(gSequence, data, iterCmp, cmpData);
443 		
444 		if(p is null)
445 		{
446 			return null;
447 		}
448 		
449 		return new SequenceIter(cast(GSequenceIter*) p);
450 	}
451 
452 	/**
453 	 * Sorts @seq using @cmp_func.
454 	 *
455 	 * @cmp_func is passed two items of @seq and should
456 	 * return 0 if they are equal, a negative value if the
457 	 * first comes before the second, and a positive value
458 	 * if the second comes before the first.
459 	 *
460 	 * Params:
461 	 *     cmpFunc = the function used to sort the sequence
462 	 *     cmpData = user data passed to @cmp_func
463 	 *
464 	 * Since: 2.14
465 	 */
466 	public void sort(GCompareDataFunc cmpFunc, void* cmpData)
467 	{
468 		g_sequence_sort(gSequence, cmpFunc, cmpData);
469 	}
470 
471 	/**
472 	 * Like g_sequence_sort(), but uses a #GSequenceIterCompareFunc instead
473 	 * of a GCompareDataFunc as the compare function
474 	 *
475 	 * @cmp_func is called with two iterators pointing into @seq. It should
476 	 * return 0 if the iterators are equal, a negative value if the first
477 	 * iterator comes before the second, and a positive value if the second
478 	 * iterator comes before the first.
479 	 *
480 	 * Params:
481 	 *     cmpFunc = the function used to compare iterators in the sequence
482 	 *     cmpData = user data passed to @cmp_func
483 	 *
484 	 * Since: 2.14
485 	 */
486 	public void sortIter(GSequenceIterCompareFunc cmpFunc, void* cmpData)
487 	{
488 		g_sequence_sort_iter(gSequence, cmpFunc, cmpData);
489 	}
490 
491 	/**
492 	 * Calls @func for each item in the range (@begin, @end) passing
493 	 * @user_data to the function.
494 	 *
495 	 * Params:
496 	 *     begin = a #GSequenceIter
497 	 *     end = a #GSequenceIter
498 	 *     func = a #GFunc
499 	 *     userData = user data passed to @func
500 	 *
501 	 * Since: 2.14
502 	 */
503 	public static void foreachRange(SequenceIter begin, SequenceIter end, GFunc func, void* userData)
504 	{
505 		g_sequence_foreach_range((begin is null) ? null : begin.getSequenceIterStruct(), (end is null) ? null : end.getSequenceIterStruct(), func, userData);
506 	}
507 
508 	/**
509 	 * Returns the data that @iter points to.
510 	 *
511 	 * Params:
512 	 *     iter = a #GSequenceIter
513 	 *
514 	 * Return: the data that @iter points to
515 	 *
516 	 * Since: 2.14
517 	 */
518 	public static void* get(SequenceIter iter)
519 	{
520 		return g_sequence_get((iter is null) ? null : iter.getSequenceIterStruct());
521 	}
522 
523 	/**
524 	 * Inserts a new item just before the item pointed to by @iter.
525 	 *
526 	 * Params:
527 	 *     iter = a #GSequenceIter
528 	 *     data = the data for the new item
529 	 *
530 	 * Return: an iterator pointing to the new item
531 	 *
532 	 * Since: 2.14
533 	 */
534 	public static SequenceIter insertBefore(SequenceIter iter, void* data)
535 	{
536 		auto p = g_sequence_insert_before((iter is null) ? null : iter.getSequenceIterStruct(), data);
537 		
538 		if(p is null)
539 		{
540 			return null;
541 		}
542 		
543 		return new SequenceIter(cast(GSequenceIter*) p);
544 	}
545 
546 	/**
547 	 * Moves the item pointed to by @src to the position indicated by @dest.
548 	 * After calling this function @dest will point to the position immediately
549 	 * after @src. It is allowed for @src and @dest to point into different
550 	 * sequences.
551 	 *
552 	 * Params:
553 	 *     src = a #GSequenceIter pointing to the item to move
554 	 *     dest = a #GSequenceIter pointing to the position to which
555 	 *         the item is moved
556 	 *
557 	 * Since: 2.14
558 	 */
559 	public static void move(SequenceIter src, SequenceIter dest)
560 	{
561 		g_sequence_move((src is null) ? null : src.getSequenceIterStruct(), (dest is null) ? null : dest.getSequenceIterStruct());
562 	}
563 
564 	/**
565 	 * Inserts the (@begin, @end) range at the destination pointed to by ptr.
566 	 * The @begin and @end iters must point into the same sequence. It is
567 	 * allowed for @dest to point to a different sequence than the one pointed
568 	 * into by @begin and @end.
569 	 *
570 	 * If @dest is NULL, the range indicated by @begin and @end is
571 	 * removed from the sequence. If @dest iter points to a place within
572 	 * the (@begin, @end) range, the range does not move.
573 	 *
574 	 * Params:
575 	 *     dest = a #GSequenceIter
576 	 *     begin = a #GSequenceIter
577 	 *     end = a #GSequenceIter
578 	 *
579 	 * Since: 2.14
580 	 */
581 	public static void moveRange(SequenceIter dest, SequenceIter begin, SequenceIter end)
582 	{
583 		g_sequence_move_range((dest is null) ? null : dest.getSequenceIterStruct(), (begin is null) ? null : begin.getSequenceIterStruct(), (end is null) ? null : end.getSequenceIterStruct());
584 	}
585 
586 	/**
587 	 * Creates a new GSequence. The @data_destroy function, if non-%NULL will
588 	 * be called on all items when the sequence is destroyed and on items that
589 	 * are removed from the sequence.
590 	 *
591 	 * Params:
592 	 *     dataDestroy = a #GDestroyNotify function, or %NULL
593 	 *
594 	 * Return: a new #GSequence
595 	 *
596 	 * Since: 2.14
597 	 *
598 	 * Throws: ConstructionException GTK+ fails to create the object.
599 	 */
600 	public this(GDestroyNotify dataDestroy)
601 	{
602 		auto p = g_sequence_new(dataDestroy);
603 		
604 		if(p is null)
605 		{
606 			throw new ConstructionException("null returned by new");
607 		}
608 		
609 		this(cast(GSequence*) p);
610 	}
611 
612 	/**
613 	 * Finds an iterator somewhere in the range (@begin, @end). This
614 	 * iterator will be close to the middle of the range, but is not
615 	 * guaranteed to be exactly in the middle.
616 	 *
617 	 * The @begin and @end iterators must both point to the same sequence
618 	 * and @begin must come before or be equal to @end in the sequence.
619 	 *
620 	 * Params:
621 	 *     begin = a #GSequenceIter
622 	 *     end = a #GSequenceIter
623 	 *
624 	 * Return: a #GSequenceIter pointing somewhere in the
625 	 *     (@begin, @end) range
626 	 *
627 	 * Since: 2.14
628 	 */
629 	public static SequenceIter rangeGetMidpoint(SequenceIter begin, SequenceIter end)
630 	{
631 		auto p = g_sequence_range_get_midpoint((begin is null) ? null : begin.getSequenceIterStruct(), (end is null) ? null : end.getSequenceIterStruct());
632 		
633 		if(p is null)
634 		{
635 			return null;
636 		}
637 		
638 		return new SequenceIter(cast(GSequenceIter*) p);
639 	}
640 
641 	/**
642 	 * Removes the item pointed to by @iter. It is an error to pass the
643 	 * end iterator to this function.
644 	 *
645 	 * If the sequence has a data destroy function associated with it, this
646 	 * function is called on the data for the removed item.
647 	 *
648 	 * Params:
649 	 *     iter = a #GSequenceIter
650 	 *
651 	 * Since: 2.14
652 	 */
653 	public static void remove(SequenceIter iter)
654 	{
655 		g_sequence_remove((iter is null) ? null : iter.getSequenceIterStruct());
656 	}
657 
658 	/**
659 	 * Removes all items in the (@begin, @end) range.
660 	 *
661 	 * If the sequence has a data destroy function associated with it, this
662 	 * function is called on the data for the removed items.
663 	 *
664 	 * Params:
665 	 *     begin = a #GSequenceIter
666 	 *     end = a #GSequenceIter
667 	 *
668 	 * Since: 2.14
669 	 */
670 	public static void removeRange(SequenceIter begin, SequenceIter end)
671 	{
672 		g_sequence_remove_range((begin is null) ? null : begin.getSequenceIterStruct(), (end is null) ? null : end.getSequenceIterStruct());
673 	}
674 
675 	/**
676 	 * Changes the data for the item pointed to by @iter to be @data. If
677 	 * the sequence has a data destroy function associated with it, that
678 	 * function is called on the existing data that @iter pointed to.
679 	 *
680 	 * Params:
681 	 *     iter = a #GSequenceIter
682 	 *     data = new data for the item
683 	 *
684 	 * Since: 2.14
685 	 */
686 	public static void set(SequenceIter iter, void* data)
687 	{
688 		g_sequence_set((iter is null) ? null : iter.getSequenceIterStruct(), data);
689 	}
690 
691 	/**
692 	 * Moves the data pointed to a new position as indicated by @cmp_func. This
693 	 * function should be called for items in a sequence already sorted according
694 	 * to @cmp_func whenever some aspect of an item changes so that @cmp_func
695 	 * may return different values for that item.
696 	 *
697 	 * @cmp_func is called with two items of the @seq and @user_data.
698 	 * It should return 0 if the items are equal, a negative value if
699 	 * the first item comes before the second, and a positive value if
700 	 * the second item comes before the first.
701 	 *
702 	 * Params:
703 	 *     iter = A #GSequenceIter
704 	 *     cmpFunc = the function used to compare items in the sequence
705 	 *     cmpData = user data passed to @cmp_func.
706 	 *
707 	 * Since: 2.14
708 	 */
709 	public static void sortChanged(SequenceIter iter, GCompareDataFunc cmpFunc, void* cmpData)
710 	{
711 		g_sequence_sort_changed((iter is null) ? null : iter.getSequenceIterStruct(), cmpFunc, cmpData);
712 	}
713 
714 	/**
715 	 * Like g_sequence_sort_changed(), but uses
716 	 * a #GSequenceIterCompareFunc instead of a #GCompareDataFunc as
717 	 * the compare function.
718 	 *
719 	 * @iter_cmp is called with two iterators pointing into @seq. It should
720 	 * return 0 if the iterators are equal, a negative value if the first
721 	 * iterator comes before the second, and a positive value if the second
722 	 * iterator comes before the first.
723 	 *
724 	 * Params:
725 	 *     iter = a #GSequenceIter
726 	 *     iterCmp = the function used to compare iterators in the sequence
727 	 *     cmpData = user data passed to @cmp_func
728 	 *
729 	 * Since: 2.14
730 	 */
731 	public static void sortChangedIter(SequenceIter iter, GSequenceIterCompareFunc iterCmp, void* cmpData)
732 	{
733 		g_sequence_sort_changed_iter((iter is null) ? null : iter.getSequenceIterStruct(), iterCmp, cmpData);
734 	}
735 
736 	/**
737 	 * Swaps the items pointed to by @a and @b. It is allowed for @a and @b
738 	 * to point into difference sequences.
739 	 *
740 	 * Params:
741 	 *     a = a #GSequenceIter
742 	 *     b = a #GSequenceIter
743 	 *
744 	 * Since: 2.14
745 	 */
746 	public static void swap(SequenceIter a, SequenceIter b)
747 	{
748 		g_sequence_swap((a is null) ? null : a.getSequenceIterStruct(), (b is null) ? null : b.getSequenceIterStruct());
749 	}
750 }