> On Mar 10, 2017, at 9:33 PM, David Sweeris via swift-evolution
> <[email protected]> wrote:
>
> Is this a feature or a bug?
Low priority bug IMO.
-Chris
> class Foo {
> let bar: Int
> init?(someConditionBasedOnInputData: Bool) {
> var localBar: Int = 0
> defer {
> bar = localBar //Cannot assign to property: 'bar' is a 'let'
> constant
> }
> if someConditionBasedOnInputData {
> return nil
> }
> }
> }
> It’d be handy to be able to do the assignment upfront in a defer block in
> cases where there’s both a bunch of validation to do on the input data, and
> no harm from assigning the interim values to the final values when you’re
> about to return nil anyway.
>
> - Dave Sweeris
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