If Statement with Declaration

[Stefan Koch via Digitalmars-d]

On Thursday, 3 November 2016 at 22:29:34 UTC, Jerry wrote:
>
> So I was thinking of a way of extending if statements that have 
> declarations. The following being as example of the current use 
> of if statements with declarations:
>
> [...]

Just Introduce another block
{
   int i = someFunc();
   if (i >= 0) { ... }
}
// i is not visible here