Early exit error messages are unsustainable

[Sebastiaan Koppe]

On Wednesday, 14 August 2019 at 06:50:11 UTC, FeepingCreature 
wrote:
> especially around concepts like inspecting a type from a mixin 
> template inside the type, and things like that.

The first time I tried something similar like that, I thought it 
will never compile. To my amazement it did. I still don't fully 
understand how it works, but I am glad it does.