[swift-users] Member wise initializer doesn't work with default-initialized const properties

Tue May 17 06:03:23 CDT 2016

> On 16 May 2016, at 22:37, Neil Faiman via swift-users <swift-users at swift.org> wrote:
> 
> Using the default Swift with Xcode 7.3.1.
> 
> It appears that you cannot use the implicit memberwise initializer with a struct that has “let” properties with default values.
> 
> 

It’s not a default value, it is *the* value

> 
> I don’t believe that the Apple _The Swift Programming Language_ mentions this restriction.

Chapter “The Basics”, section “Constants and Variables”

“The value of a constant cannot be changed once it is set”.

> 
> 	Neil Faiman
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