{"ast_node_type":"variable","tokens":[{"end":18,"kind":"keyword","start":0,"text":"let"}]}
        let size =
    fn lower_literal_to_operand(&mut self, ty: Ty, l: &Literal) -> Result<Operand> {
            || self.db.layout_of_ty(ty.clone(), self.env.clone()).map(|it| it.size.bytes_usize());