On Wed, Jul 27, 2016 at 11:08 PM, Karl via swift-evolution <[email protected]> wrote: > It seems like a reasonably large hole with a simple fix. Going from > ContiguousArray to Array is a kind-of upcasting conversion and should be > allowed -- it seems like that's almost the whole point of the type.
Hi Karl, Converting a ContiguousArray to Array using Array's initializer is O(1). Are you seeing something different? Array.init: https://github.com/apple/swift/blob/f8f6d61d195185f54aeba425dd0db8be4c5d163f/stdlib/public/core/Arrays.swift.gyb#L1037 ContiguousArray._copyToContiguousArray(): https://github.com/apple/swift/blob/f8f6d61d195185f54aeba425dd0db8be4c5d163f/stdlib/public/core/Arrays.swift.gyb#L1430 Dmitri -- main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if (j){printf("%d\n",i);}}} /*Dmitri Gribenko <[email protected]>*/ _______________________________________________ swift-evolution mailing list [email protected] https://lists.swift.org/mailman/listinfo/swift-evolution
