Type-Strict Indexes: IndexedBy

[anonymous via Digitalmars-d-learn]

On Monday, 16 February 2015 at 20:09:09 UTC, Nordlöw wrote:
> How can I prevent
>
>     jx[0] = 11;
>
> from compiling?

Remove that `alias _r this;`. You don't want to forward opIndex, 
so you can't use alias this which forwards everything that 
doesn't compile. opDispatch may be an option to forward 
everything but opIndex.