{"ast_node_type":"function","tokens":[{"end":77,"kind":"keyword","start":0,"text":"fn"}]}
            fn visit_stmt(&mut self, ex: &'v hir::Stmt<'v>) -> Self::Result {
            type Result = ControlFlow<()>;
                if let hir::StmtKind::Let(&hir::LetStmt { pat, ty, init, .. }) = ex.kind