Type definitions for learning about the dependency formats of all upstream
crates (rlibs/dylibs/oh my).
Detecting lang items.
Registering limits:
A pass that checks to make sure private fields and methods aren’t used
outside their scopes. This pass will also generate a set of exported items
which are available for use externally when compiled as a library.
This file declares the ScopeTree
type, which describes
the parent links in the region hierarchy.
Name resolution for lifetimes and late-bound type and const variables: type declarations.
A pass that annotates every item and method with its stability level,
propagating default levels lexically from parent to children ast nodes.