core.traits?

[Seb]

On Saturday, 5 January 2019 at 21:12:54 UTC, Manu wrote:
> So, druntime has core.internal.traits where a bunch of 
> std.traits have
> been mirrored to support internal machinery within druntime.
> This is clear evidence that a lot of these traits are really
> super-critical to doing basically anything interesting with D.
> I have experience with no-phobos projects in the past where 
> I've been
> frustrated that I had to mirror all the traits I needed 
> manually.
>
> [...]

I would go even one step further and move everything and just 
alias things in std.traits, s.t. no breakage happens.