Are there any ways or planed ways to add platforms (`actual` declarations) for an external library's...

# multiplatform

[rnett]

Are there any ways or planed ways to add platforms (actual declarations) for an external library's common code? E.g. have your common module depend on the library's common, and implement it's expect definitions in your own platform module.

[kpgalligan]

Unrealized expects? I guess I’d ask why not just do this with interfaces?