associative arrays with manual memory management

[rsw0x via Digitalmars-d]

On Saturday, 22 August 2015 at 07:37:38 UTC, Dmitry Olshansky 
wrote:
> On 21-Aug-2015 20:20, Ilya Yaroshenko wrote:
>> Hi All!
>>
>> I am going to implement associative arrays with manual memory 
>> management
>> based on amazing std.experimental.allocator by Andrei
>> http://wiki.dlang.org/Review/std.experimental.allocator
>>
>> I will be happy to receive any advices about algorithms, use 
>> cases and API.
>>
>> Best Regards,
>> Ilya
>
> FYI
> https://github.com/D-Programming-Language/druntime/pull/1282

Maybe someone who isn't confused by dmd could answer this for me, 
but why are the druntime hooks generated by dmd non-templated and 
rely on dynamic info(rtti) when all the information is known at 
compile time?