Remove consecutive equal items from a list or array. In each run of consecutive equal items in the list, all items after the first item in the run are removed. The removal is done in-place, changing the list.

Remove subsequent consecutive equal items from a list or array. In each run of consecutive equal items in the list, all items after the first item in the run are removed. The replacement is done in-place, changing the list. A passed IEqualityComparer is used to determine equality.

Remove consecutive "equal" items from a list or array. In each run of consecutive equal items in the list, all items after the first item in the run are removed. The replacement is done in-place, changing the list. The passed BinaryPredicate is used to determine if two items are "equal".