{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"//!"}]}
//! - [`Expr`] and [`ExprKind`]: A parsed Rust expression.
//! - [`Ty`] and [`TyKind`]: A parsed Rust type.
//! - [`Pat`] and [`PatKind`]: A parsed Rust pattern. Patterns are often dual to expressions.