main/
main.rs

1// Copyright 2019 LEXUGE
2//
3// This program is free software: you can redistribute it and/or modify
4// it under the terms of the GNU General Public License as published by
5// the Free Software Foundation, either version 3 of the License, or
6// (at your option) any later version.
7//
8// This program is distributed in the hope that it will be useful,
9// but WITHOUT ANY WARRANTY; without even the implied warranty of
10// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11// GNU General Public License for more details.
12//
13// You should have received a copy of the GNU General Public License
14// along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16use scalc::SCell;
17
18fn main() -> Result<(), String> {
19    let a = SCell::<i32>::new(12) * SCell::<i32>::new(3);
20    assert_eq!(*a.ok_or("overflow")?.get_data(), 36);
21
22    // Addition will result in `None` in the presence of overflow behavior(s)
23    let a = SCell::<i32>::new(std::i32::MAX) + SCell::<i32>::new(1);
24    assert!(a.is_none());
25    Ok(())
26}