Structs§
- NodeId
- Identifies an AST node.
Constants§
- CRATE_NODE_ ID 
- The NodeIdused to represent the root of the crate.
- DUMMY_NODE_ ID 
- When parsing and at the beginning of doing expansions, we initially give all AST nodes
this dummy AST NodeId. Then, during a later phase of expansion, we renumber them to have small, positive IDs.