inout after function

[Guillaume Piolat]

On Saturday, 25 November 2017 at 21:51:41 UTC, Dave Jones wrote:
> What does the "inout" after front() do here...
>
>
> @property ref inout(T) front() inout
> {
>     assert(_data.refCountedStore.isInitialized);
>     return _data._payload[0];
> }
>
> Cant seem to find an explanation in the docs or forums :(

https://p0nce.github.io/d-idioms/#Knowing-inout-inside-out