[swift-users] edit array
Rien
Rien at Balancingrock.nl
Wed Apr 26 09:27:28 CDT 2017
Because you are (trying) to edit a copy.
To edit the value in the array itself use:
array[index].number += 1
Regards,
Rien
Site: http://balancingrock.nl
Blog: http://swiftrien.blogspot.com
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> On 26 Apr 2017, at 16:15, J.E. Schotsman via swift-users <swift-users at swift.org> wrote:
>
> Simple question: why can’t I edit a variable array with a functional method?
>
> For example:
>
> struct TestStruct
> {
> var number = 0
> }
>
> var array = [TestStruct](repeatElement(TestStruct(), count: 2))
> array.forEach { $0.number += 1 }
>
> Jan E.
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