I realized my comment may not have been clear. Here is the actual code (written
in Mail):
var numbers: [UInt64] = …
func numbers( upTo nbr: Int ) -> [UInt64]
{
return Array( numbers[ 0 ..< nbr ] )
}
Thanks,
Jon
> On Sep 6, 2016, at 5:42 PM, Jonathan Hull <[email protected]> wrote:
>
> You can explicitly create an array with the slice by using ‘Array(slice)’.
> Honestly, I am not sure of the actual value of slices because of issues like
> this. I would rather have those methods return an Array which is some sort
> of copy on write slice internally.
>
> Thanks,
> Jon
>
>> On Sep 6, 2016, at 5:33 PM, Gerriet M. Denkmann <[email protected]> wrote:
>>
>> var numbers: [UInt64] = …
>>
>> func numbers( upTo nbr: Int ) -> [UInt64]
>> {
>> let slice = numbers[ 0 ..< nbr ]
>> return slice
>> // Cannot convert return expression of type ‘ArraySlice<UInt64>'
>> to return type '[UInt64]'
>>
>> // workaound:
>> var outCopy:[UInt64] = []
>> for i in 0 ..< nbr { outCopy.append( numbers[i] ) }
>> return outCopy
>> }
>>
>> Any better way to do this?
>>
>> Gerriet.
>>
>>
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