For more information on how various parts of the compiler work, see the [rustc guide].
-There is also useful content in the following READMEs, which are gradually being moved over to the guide:
-- https://github.com/rust-lang/rust/tree/master/src/librustc/ty/query
-- https://github.com/rust-lang/rust/tree/master/src/librustc/dep_graph
-- https://github.com/rust-lang/rust/tree/master/src/librustc/infer/higher_ranked
-- https://github.com/rust-lang/rust/tree/master/src/librustc/infer/lexical_region_resolve
-
[rustc guide]: https://rust-lang.github.io/rustc-guide/about-this-guide.html