rustc-ap-syntax 643.0.0

Automatically published version of the package `syntax` in the rust-lang/rust repository from commit dc4242d9052a42cdf329c3a2430d02a3b3d415cb The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish
Documentation

The syntax 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 guide: