Should there be standard support to sort lists of ...

# stdlib

[nkiesel]

Should there be standard support to sort lists of Strings locale-dependant? Something like fun Iterable<String>.sortedWith(collator: Collator) = this.map { collator.getCollationKey(it) }.sorted().map { it.sourceString }

[ilya.gorbunov]

Since Collator implements Comparator, why not just standard list.sortWith(collator)?
Is it an optimization for large lists?

[nkiesel]

Yes, collator documentation says that for sorting lists where items must be compared multiple times, converting to CollationKey is more efficient. Caveat: I did not measure what the break-even point for this is.