forked from boostorg/utility
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
// boost utility/base_from_member.hpp header file --------------------------//
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// Copyright 2001, 2003 Daryle Walker. Use, modification, and distribution are
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// subject to the Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or a copy at <http://www.boost.org/LICENSE_1_0.txt>.)
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// See <http://www.boost.org/libs/utility/> for the library's home page.
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#ifndef BOOST_UTILITY_BASE_FROM_MEMBER_HPP
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#define BOOST_UTILITY_BASE_FROM_MEMBER_HPP
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#include <boost/utility_fwd.hpp> // required for parameter defaults
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namespace boost
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{
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// Base-from-member class template -----------------------------------------//
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// Helper to initialize a base object so a derived class can use this
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// object in the initialization of another base class. Used by
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// Dietmar Kuehl from ideas by Ron Klatcho to solve the problem of a
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// base class needing to be initialized by a member.
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// Contributed by Daryle Walker
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template < typename MemberType, int UniqueID >
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class base_from_member
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{
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protected:
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MemberType member;
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base_from_member()
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: member()
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{}
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template< typename T1 >
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explicit base_from_member( T1 x1 )
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: member( x1 )
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{}
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template< typename T1, typename T2 >
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base_from_member( T1 x1, T2 x2 )
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: member( x1, x2 )
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{}
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template< typename T1, typename T2, typename T3 >
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base_from_member( T1 x1, T2 x2, T3 x3 )
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: member( x1, x2, x3 )
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{}
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template< typename T1, typename T2, typename T3, typename T4 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4 )
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: member( x1, x2, x3, x4 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5 )
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: member( x1, x2, x3, x4, x5 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5,
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typename T6 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5, T6 x6 )
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: member( x1, x2, x3, x4, x5, x6 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5,
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typename T6, typename T7 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5, T6 x6, T7 x7 )
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: member( x1, x2, x3, x4, x5, x6, x7 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5,
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typename T6, typename T7, typename T8 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5, T6 x6, T7 x7, T8 x8 )
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: member( x1, x2, x3, x4, x5, x6, x7, x8 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5,
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typename T6, typename T7, typename T8, typename T9 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5, T6 x6, T7 x7, T8 x8,
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T9 x9 )
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: member( x1, x2, x3, x4, x5, x6, x7, x8, x9 )
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{}
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template< typename T1, typename T2, typename T3, typename T4, typename T5,
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typename T6, typename T7, typename T8, typename T9, typename T10 >
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base_from_member( T1 x1, T2 x2, T3 x3, T4 x4, T5 x5, T6 x6, T7 x7, T8 x8,
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T9 x9, T10 x10 )
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: member( x1, x2, x3, x4, x5, x6, x7, x8, x9, x10 )
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{}
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}; // boost::base_from_member
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} // namespace boost
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#endif // BOOST_UTILITY_BASE_FROM_MEMBER_HPP
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