blob: 89aba00f72f8797c892c49314567589deef6fb3a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#pragma once
#include <mbgl/util/ignore.hpp>
#include <functional>
namespace mbgl {
namespace util {
template <class T>
void hash_combine(std::size_t& seed, const T& v) {
seed ^= std::hash<T>()(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
template <class... Args>
std::size_t hash(Args&&... args) {
std::size_t seed = 0;
ignore({ (hash_combine(seed, args), 0)... });
return seed;
}
} // namespace util
} // namespace mbgl
|
