{"ast_node_type":"function","tokens":[{"end":95,"kind":"keyword","start":0,"text":"fn"}]}
    fn lower_expr_yeet(&mut self, span: Span, sub_expr: Option<&Expr>) -> hir::ExprKind<'hir> {
    /// handles the combined `FromResidual::from_residual(Yeet(residual))`.
        // The expression (if present) or `()` otherwise.