malachite_base/num/arithmetic/
checked_abs.rs

1// Copyright © 2025 Mikhail Hogrefe
2//
3// This file is part of Malachite.
4//
5// Malachite is free software: you can redistribute it and/or modify it under the terms of the GNU
6// Lesser General Public License (LGPL) as published by the Free Software Foundation; either version
7// 3 of the License, or (at your option) any later version. See <https://www.gnu.org/licenses/>.
8
9use crate::num::arithmetic::traits::CheckedAbs;
10
11macro_rules! impl_checked_abs {
12    ($t:ident) => {
13        impl CheckedAbs for $t {
14            type Output = $t;
15
16            /// This is a wrapper over the `checked_abs` functions in the standard library, for
17            /// example [this one](i32::checked_abs).
18            #[inline]
19            fn checked_abs(self) -> Option<$t> {
20                $t::checked_abs(self)
21            }
22        }
23    };
24}
25apply_to_signeds!(impl_checked_abs);