blob: 195a7987aae4fb0e3e9ad99df0fdfbe50d3a1321 [file] [log] [blame]
Jeff Thompsona28eed82013-08-22 16:21:10 -07001
2// Copyright 2005-2009 Daniel James.
3// Distributed under the Boost Software License, Version 1.0. (See accompanying
4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6// This example illustrates how to use ndnboost::hash with a custom hash function.
7// The implementation is contained in books.cpp
8
9#include <cstddef>
10#include <string>
11
12namespace library
13{
14 struct book
15 {
16 int id;
17 std::string author;
18 std::string title;
19
20 book(int i, std::string const& a, std::string const& t)
21 : id(i), author(a), title(t) {}
22 };
23
24 bool operator==(book const&, book const&);
25 std::size_t hash_value(book const&);
26}