Complex sentence: The specific sorting algorithm is not mandated by the language standard and may vary across implementations, but the worst-case asymptotic complexity of the function is specified: a call to must perform comparisons when applied to a range of elements.
Split into simpler sentences: The specific sorting algorithm is not mandated by the language standard and may vary across implementations. However, the worst-case asymptotic complexity of the function is specified; a call to must perform comparisons when applied to a range of elements.