> On Feb 16, 2017, at 5:17 PM, Ben Cohen <ben_co...@apple.com> wrote:
>
> The win with mapping only the values is that the underlying hash table can
> retain the same physical layout, just with different values in the slots, so
> it can be done faster.
Only if the mapped dictionary’s values are the same type (or at least the same
size) as in the original dictionary, right? Would the proposed function allow
you to mapValues from a [K:V] to a [K:T]?
- Dave Sweeris
_______________________________________________
swift-evolution mailing list
swift-evolution@swift.org
https://lists.swift.org/mailman/listinfo/swift-evolution
