[SAoC 2022] Replace druntime Hooks with Templates: Milestone 3, Weeks 1 & 2

[Teodor Dutu]

On Tuesday, 29 November 2022 at 21:04:22 UTC, rikki cattermole 
wrote:
> Hopefully this work will mean that some code will be removed 
> from rt.

Absolutely. All these PRs add new template hooks and also remove 
the old ones.
And most of the old hooks are in rt. For example, all the old 
hooks I am working to replace now are in rt/lifetime.d.