std.algorithm each documentation terse

[jmh530 via Digitalmars-d-learn]

On Monday, 20 July 2015 at 15:12:28 UTC, Marc Schütz wrote:
> On Monday, 20 July 2015 at 15:08:16 UTC, Nicholas Wilson wrote:
>> But the lambda takes a ref parameter...
>
> Yes, but it never writes to it:
>
>     x.each!((ref a) => a + 1);
>
> Instead, this should work:
>
>     x.each!((ref a) => a = a + 1);
>
> ... as a short-hand for:
>
>     x.each!((ref a) { a = a + 1; });

This works! Thanks.