23#ifndef GINAC_HASH_MAP_H
24#define GINAC_HASH_MAP_H
26#include <unordered_map>
31 class Hash = std::hash<ex>,
32 class KeyEqual = std::equal_to<ex>,
33 class Allocator = std::allocator<std::pair<const ex, T>>>
34using exhashmap = std::unordered_map<ex, T, Hash, KeyEqual, Allocator>;
std::unordered_map< ex, T, Hash, KeyEqual, Allocator > exhashmap