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       1             : // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
       2             : //
       3             : // Use, modification and distribution is subject to the Boost Software License,
       4             : // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
       5             : // http://www.boost.org/LICENSE_1_0.txt)
       6             : 
       7             : #ifndef BOOST_CORE_IGNORE_UNUSED_HPP
       8             : #define BOOST_CORE_IGNORE_UNUSED_HPP
       9             : 
      10             : #include <boost/config.hpp>
      11             : 
      12             : namespace boost {
      13             : 
      14             : #ifndef BOOST_NO_CXX11_VARIADIC_TEMPLATES
      15             : 
      16             : template <typename... Ts>
      17           0 : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(Ts const& ...)
      18             : {}
      19             : 
      20             : template <typename... Ts>
      21             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      22             : {}
      23             : 
      24             : #else
      25             : 
      26             : template <typename T1>
      27             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&)
      28             : {}
      29             : 
      30             : template <typename T1, typename T2>
      31             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&)
      32             : {}
      33             : 
      34             : template <typename T1, typename T2, typename T3>
      35             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&)
      36             : {}
      37             : 
      38             : template <typename T1, typename T2, typename T3, typename T4>
      39             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&)
      40             : {}
      41             : 
      42             : template <typename T1, typename T2, typename T3, typename T4, typename T5>
      43             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused(T1 const&, T2 const&, T3 const&, T4 const&, T5 const&)
      44             : {}
      45             : 
      46             : template <typename T1>
      47             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      48             : {}
      49             : 
      50             : template <typename T1, typename T2>
      51             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      52             : {}
      53             : 
      54             : template <typename T1, typename T2, typename T3>
      55             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      56             : {}
      57             : 
      58             : template <typename T1, typename T2, typename T3, typename T4>
      59             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      60             : {}
      61             : 
      62             : template <typename T1, typename T2, typename T3, typename T4, typename T5>
      63             : BOOST_FORCEINLINE BOOST_CXX14_CONSTEXPR void ignore_unused()
      64             : {}
      65             : 
      66             : #endif
      67             : 
      68             : } // namespace boost
      69             : 
      70             : #endif // BOOST_CORE_IGNORE_UNUSED_HPP