syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! `TypeVisitable` traits for various types in the Rust compiler. Most are
context_before: //! This module contains implementations of the `Lift`, `TypeFoldable` and
context_after: //! written by hand, though we've recently added some macros and proc-macros