D with minimal runtime

[Andrei Alexandrescu]

On 6/15/20 4:50 PM, Walter Bright wrote:
> On 6/15/2020 3:16 AM, IGotD- wrote:
>> As we have discussed before, the best way for this in my opinion is to 
>> have an abstract interface in druntime for the OS functions. This way 
>> we could stub those functions that the programmer doesn't need.
> 
> If you include the line:
> 
>     extern (C) void printf() { }
> 
> somewhere in your code, printf() will *not* get linked in.
> 
> An extra interface layer is not necessary.

Word. Any work on reducing druntime needs to be based on a good 
understanding of how linking works.