rumtk_core/hash.rs
1/*
2 * rumtk attempts to implement HL7 and medical protocols for interoperability in medicine.
3 * This toolkit aims to be reliable, simple, performant, and standards compliant.
4 * Copyright (C) 2025 Luis M. Santos, M.D. <lsantos@medicalmasses.com>
5 * Copyright (C) 2025 MedicalMasses L.L.C. <contact@medicalmasses.com>
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
19 */
20use std::hash::{DefaultHasher, Hash, Hasher};
21
22pub fn hash_data<T: Hash>(t: &T) -> u64 {
23 let mut s = DefaultHasher::new();
24 t.hash(&mut s);
25 s.finish()
26}
27
28pub fn has_same_hash<T: Hash>(lhs: &T, rhs: &T) -> bool {
29 let lhs_hash = hash_data(lhs);
30 let rhs_hash = hash_data(rhs);
31 lhs_hash == rhs_hash
32}