open fun retainAll(elements: Collection<ClosedRange<T>>): Boolean (source)Removes all values from set except those contained in the specified ranges; intersection set logic.
Examples:
assert(IntRangeSet(listOf(5..21)).apply { retainAll(listOf(7..10, 12..15)) }.toList() == listOf(7..10, 12..15))
assert(IntRangeSet(listOf(5..9, 13..21)).apply { retainAll(listOf(7..15, 18..25)) }.toList() == listOf(7..9, 13..15, 18..21))elements - ranges of values to keepReturn
whether any values were removed