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Implementing tuple enumeration/visiting.

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This commit is contained in:
Can Bölük 2020-06-28 01:18:45 +02:00
parent 54ebdb0e9d
commit f87110f3d8
5 changed files with 53 additions and 1 deletions
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1
VTIL-Common/CMakeLists.txt
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@ -56,6 +56,7 @@ add_library(${PROJECT_NAME} STATIC
util/zip.hpp
util/colony.hpp
util/object_pool.hpp
util/tuple_visit.hpp
)
target_include_directories(${PROJECT_NAME} PUBLIC includes)

1
VTIL-Common/VTIL-Common.vcxproj
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@ -165,6 +165,7 @@
<ClInclude Include="util\reverse_iterator.hpp" />
<ClInclude Include="util\sinkhole.hpp" />
<ClInclude Include="util\stack_container.hpp" />
<ClInclude Include="util\tuple_visit.hpp" />
<ClInclude Include="util\zip.hpp" />
<ClInclude Include="util\variant.hpp" />
</ItemGroup>

3
VTIL-Common/VTIL-Common.vcxproj.filters
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@ -184,6 +184,9 @@
<ClInclude Include="util\object_pool.hpp">
<Filter>Utility</Filter>
</ClInclude>
<ClInclude Include="util\tuple_visit.hpp">
<Filter>Utility</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="io\logger.cpp">

3
VTIL-Common/includes/vtil/utility
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@ -19,4 +19,5 @@
#include "../../util/reverse_iterator.hpp"
#include "../../util/conditional_lock.hpp"
#include "../../util/numeric_iterator.hpp"
#include "../../util/multivariate.hpp"
#include "../../util/multivariate.hpp"
#include "../../util/tuple_visit.hpp"

46
VTIL-Common/util/tuple_visit.hpp Normal file
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@ -0,0 +1,46 @@
// Copyright (c) 2020 Can Boluk and contributors of the VTIL Project
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the name of mosquitto nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
#pragma once
#include <tuple>
#include <type_traits>
namespace vtil
{
template<typename T, typename Fn, size_t... I>
static void tuple_visit( const T& obj, Fn callable, std::index_sequence<I...> )
{
static constexpr auto ignore = [ ] ( ... ) {};
ignore( ( callable( std::get<I>( obj ) ), 0 )... );
}
template<typename Fn, typename... Tx>
static void tuple_visit( const std::tuple<Tx...>& obj, Fn&& callable )
{
return tuple_visit( obj, std::forward<Fn>( callable ), std::index_sequence_for<Tx...>{} );
}
};