[swift-evolution] Pitch: Remove default initialization of optional bindings

[Kelvin Ma]

hot take: i use the second one a lot but only because i always forget the
first one exists. So I type the = nil just to “be sure”.

On Mon, Nov 6, 2017 at 4:33 PM, Slava Pestov via swift-evolution <
swift-evolution at swift.org> wrote:

> Hi all,
>
> Right now, the following two declarations are equivalent:
>
> struct S {
>   var x: Int?
> }
>
> struct S {
>   var x: Int? = nil
> }
>
> That is, mutable bindings of sugared optional type (but not Optional<T>!)
> always have a default value of ‘nil’. This feature increases the surface
> area of the language for no good reason, and I would like to deprecate it
> in -swift-version 5 with a short proposal. Does anyone feel strongly about
> giving it up? I suspect most Swift users don’t even know it exists.
>
> Slava
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