forked from boostorg/unordered
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
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// Copyright 2026 Braden Ganetsky
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/static_assert.hpp>
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#include <boost/unordered/concurrent_flat_map.hpp>
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#include <boost/unordered/concurrent_flat_set.hpp>
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#include <boost/unordered/concurrent_node_map.hpp>
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#include <boost/unordered/concurrent_node_set.hpp>
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// Don't include the FOA headers here!
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using c_flat_map = boost::unordered::concurrent_flat_map<int, int>;
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using c_flat_set = boost::unordered::concurrent_flat_set<int>;
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using c_node_map = boost::unordered::concurrent_node_map<int, int>;
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using c_node_set = boost::unordered::concurrent_node_set<int>;
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struct constrained_template_converter
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{
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struct dummy
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{
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};
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template <class T, typename std::enable_if<
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std::is_constructible<T, dummy>::value, int>::type = 0>
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operator T() const
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{
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return T{};
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}
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};
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// Check whether the corresponding FOA container gets instantiated.
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// The FOA headers aren't included, so this would fail to compile if the FOA
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// container was instantiated.
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BOOST_STATIC_ASSERT(
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(!std::is_constructible<c_flat_map, constrained_template_converter>::value));
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BOOST_STATIC_ASSERT(
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(!std::is_constructible<c_flat_set, constrained_template_converter>::value));
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BOOST_STATIC_ASSERT(
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(!std::is_constructible<c_node_map, constrained_template_converter>::value));
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BOOST_STATIC_ASSERT(
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(!std::is_constructible<c_node_set, constrained_template_converter>::value));
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int main() { return 0; }
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