> On Jan 18, 2017, at 10:54 AM, Joe Groff via swift-evolution
> <swift-evolution@swift.org> wrote:
>
>
>> On Jan 18, 2017, at 8:50 AM, Tony Allevato <tony.allev...@gmail.com> wrote:
>>
>> Good point—I hadn't considered the distinction.
>>
>> Does that mean a future version of Swift might allow `let` in a protocol to
>> indicate a value that must be immutable after initialization, such that a
>> computed `var { get }` wouldn't satisfy it?
>
> It's conceivable that even computed `let` properties could be supported, if
> the getter implementation is a pure function of `self`.
How would that work when `self` is mutable?
>
> -Joe
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