Aleksey Kladov 3ab1519cb2 Change ids strategy
this is a part of larghish hir refactoring which aims to

* replace per-source-root module trees with per crate trees
* switch from a monotyped DedId to type-specific ids
2019-01-24 13:29:19 +03:00
..
2019-01-24 13:29:19 +03:00
⬆️ salsa
2019-01-17 14:11:00 +03:00