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49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
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[/ Copyright 2005-2008 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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[section:intro Introduction]
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[def __tr1-full__
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[@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1836.pdf
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Draft Technical Report on C++ Library Extensions]]
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[def __tr1__
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[@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1836.pdf
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TR1]]
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[def __unordered__ [link unordered Boost.Unordered]]
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[def __intrusive__ [link intrusive.unordered_set_unordered_multiset Boost.Intrusive]]
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[def __multi-index__ [@../../libs/multi_index/doc/index.html
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Boost Multi-Index Containers Library]]
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[def __multi-index-short__ [@../../libs/multi_index/doc/index.html
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Boost.MultiIndex]]
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[def __bimap__ [@../../libs/bimap/index.html Boost.Bimap]]
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[def __issues__
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[@http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2005/n1837.pdf
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Library Extension Technical Report Issues List]]
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[def __hash-function__ [@http://en.wikipedia.org/wiki/Hash_function hash function]]
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[def __hash-table__ [@http://en.wikipedia.org/wiki/Hash_table hash table]]
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[classref boost::hash] is an implementation of the __hash-function__ object
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specified by the __tr1-full__ (TR1). It is the default hash function for
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__unordered__, __intrusive__'s unordered associative containers, and
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__multi-index-short__'s hash indicies and __bimap__'s `unordered_set_of`.
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As it is compliant with __tr1__, it will work with:
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* integers
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* floats
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* pointers
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* strings
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It also implements the extension proposed by Peter Dimov in issue 6.18 of the
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__issues__ (page 63), this adds support for:
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* arrays
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* `std::pair`
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* the standard containers.
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* extending [classref boost::hash] for custom types.
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[endsect]
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