// Copyright 2019 LEXUGE // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . use scalc::SCell; fn main() -> Result<(), String> { let a = SCell::::new(12) * SCell::::new(3); assert_eq!(*a.ok_or("overflow")?.get_data(), 36); // Addition will result in `None` in the presence of overflow behavior(s) let a = SCell::::new(std::i32::MAX) + SCell::::new(1); assert!(a.is_none()); Ok(()) }