rustc-ap-rustc_ast 722.0.0

Automatically published version of the package `rustc_ast` in the rust-lang/rust repository from commit c9c1f8be3fda5b58520c579451d3f5e20736ec90 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish
Documentation

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: