Andrei's "The D Programming Language" book. Up to date?

[Nick Treleaven]

On Wednesday, 29 November 2017 at 17:50:59 UTC, Arun 
Chandrasekaran wrote:
>> Multiple alias this
>> You can only have one subtyping member currently.
>
>> Shared
>> Not all of shared's guarantees are implemented yet.
>
>> SafeD
>> @safe (and therefore SafeD) isn't fully implemented. So, it 
>> doesn't necessarily work quite like it's supposed to yet.
>
> How much of these are relevant today with 2.077.0?

The first two are true AIUI. @safe is mostly implemented, there's 
been a lot of progress on that since TDPL.