DIP 1005 - Preliminary Review Round 1

[deadalnix via Digitalmars-d]

On Sunday, 23 April 2017 at 12:34:34 UTC, Andrej Mitrovic wrote:
> On Sunday, 23 April 2017 at 12:03:47 UTC, Andrei Alexandrescu 
> wrote:
>> Mostly out of a sense of conformity. We asked Michael to give 
>> no special treatment of DIPs originating from us, and this one 
>> was open, so he put it up for review. It is likely it will end 
>> up rejected in favor of 
>> https://github.com/dlang/druntime/pull/1756.
>
> Wouldn't there be a compile-time performance impact from 
> instantiating so many templates, virtually for every parameter 
> who's type is defined in another module?

It's just one per module. Templates are only instantiated once 
per new set of arguments. There may be some gain here, but I 
doubt this is worth adding a new language feature.