rust/compiler/rustc_ast
Aleksey Kladov 09d3db2e59 Optimize Cursor::look_ahead
Cloning a tt is cheap, but not free (there's Arc inside).
2020-09-03 23:28:22 +02:00
..
src Optimize Cursor::look_ahead 2020-09-03 23:28:22 +02:00
Cargo.toml
README.md

The rustc_ast crate contains those things concerned purely with syntax that is, the AST ("abstract syntax tree"), parser, pretty-printer, lexer, macro expander, and utilities for traversing ASTs.

For more information about how these things work in rustc, see the rustc dev guide: