27 lines
679 B
C++
27 lines
679 B
C++
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// Copyright 2005-2009 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// This example illustrates how to use boost::hash with a custom hash function.
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// The implementation is contained in books.cpp
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#include <cstddef>
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#include <string>
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namespace library
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{
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struct book
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{
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int id;
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std::string author;
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std::string title;
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book(int i, std::string const& a, std::string const& t)
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: id(i), author(a), title(t) {}
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};
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bool operator==(book const&, book const&);
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std::size_t hash_value(book const&);
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}
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