syntax_data: {"ast_node_type":"import","tokens":[{"end":47,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_middle::thir::visit::{self, Visitor};
context_before: use rustc_middle::span_bug;
context_after: use rustc_middle::thir::{BodyTy, Expr, ExprId, ExprKind, Thir};