C++17 Init statement for if/switch

[Daniel Kozak via Digitalmars-d]

On Tuesday, 15 August 2017 at 18:55:57 UTC, Daniel Kozak wrote:
> C++17 will have this feature:
> https://tech.io/playgrounds/2205/7-features-of-c17-that-will-simplify-your-code/init-statement-for-ifswitch
>
> What do you think about it, can we have something similar to 
> that.
> Maybe something like this:
>
>
> int func() return 5;
>
> with(auto x = func()) if (condition(x))
>     do_something_with(x);
> else
>     do_something_else_with(x);

this would be rewrite to

int func() return 5;

{
     auto x = func();
     if (condition(x))
         do_something_with(x);
     else
         do_something_else_with(x);
}