sort_changed_iter

Like sort_changed, but uses a SequenceIterCompareFunc instead of a CompareDataFunc as the compare function.

iter_cmp is called with two iterators pointing into the Sequence that iter points into. It should return 0 if the iterators are equal, a negative value if the first iterator comes before the second, and a positive value if the second iterator comes before the first.

Example: Moves the data pointed to a new position as indicated by cmp_func (iter-based):

public static int main (string[] args) {
	Sequence<string> seq = new Sequence<string> ();
	// Sorted data:
	seq.append ("1. Lorem");
	seq.append ("2. ipsum");
	seq.append ("4. sit");
	seq.append ("5. amet");


	seq.append ("3. dolor");
	SequenceIter<string> iter = seq.get_end_iter ().prev ();
	iter.sort_changed_iter ((a, b) => {
		return strcmp (a.get (), b.get ());
	});

	// Output:
	//  ``1. Lorem``
	//  ``2. ipsum``
	//  ``3. dolor``
	//  ``4. sit``
	//  ``5. amet``
	seq.foreach ((item) => {
		print ("%s\n", item);
	});

	return 0;
}

valac --pkg glib-2.0 GLib.SequenceIter.sort_changed_iter.vala

Parameters:

iter_cmp	the function used to compare iterators in the sequence
cmp_data	user data passed to cmp_func
iter	a SequenceIter