[Off-Topic] John Carmack's point of view on GC and languages like JavaScript

[jmh530]

On Monday, 8 August 2022 at 15:07:47 UTC, IGotD- wrote:
> [snip]
>
> D did the serious mistake by having raw pointers in the default 
> language (even in safe mode) rather than opaque references. 
> This means that D cannot just as easily offer different GC 
> algorithms like other languages.
>
> If D would have opaque references then we would have seen more 
> different GC types that would fit more needs.
>
> D3 needs to happen so that we can correct these serious flaws.

It is a bit of a design trade-off though. If you have two 
separate pointer types, then a function that takes a pointer of 
one has to have an overload to get the second one working. Some 
kind of type erasure would be useful to prevent template bloat.