| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2017 Paul Fultz II |
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| 3 | static_def.hpp |
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| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | ==============================================================================*/ |
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| 7 | |
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| 8 | #ifndef GUARD_STATIC_DEF |
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| 9 | #define GUARD_STATIC_DEF |
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| 10 | |
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| 11 | #include <boost/hof/function.hpp> |
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| 12 | #include <boost/hof/lambda.hpp> |
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| 13 | |
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| 14 | // MSVC seems to not support unique addressing at all |
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| 15 | #if defined (_MSC_VER) |
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| 16 | #define BOOST_HOF_HAS_UNIQUE_STATIC_VAR 0 |
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| 17 | #define BOOST_HOF_HAS_UNIQUE_STATIC_LAMBDA_FUNCTION_ADDR 0 |
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| 18 | // Gcc 4.6 only supports unique addressing for non-lambdas |
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| 19 | #elif defined(__GNUC__) && !defined (__clang__) && __GNUC__ == 4 && __GNUC_MINOR__ < 7 |
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| 20 | #define BOOST_HOF_HAS_UNIQUE_STATIC_VAR 1 |
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| 21 | #define BOOST_HOF_HAS_UNIQUE_STATIC_LAMBDA_FUNCTION_ADDR 0 |
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| 22 | #else |
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| 23 | #define BOOST_HOF_HAS_UNIQUE_STATIC_VAR 1 |
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| 24 | #define BOOST_HOF_HAS_UNIQUE_STATIC_LAMBDA_FUNCTION_ADDR 1 |
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| 25 | #endif |
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| 26 | |
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| 27 | namespace fit_test { |
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| 28 | |
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| 29 | BOOST_HOF_STATIC_LAMBDA_FUNCTION(fit_sum_lambda) = [](int x, int y) |
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| 30 | { |
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| 31 | return x + y; |
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| 32 | }; |
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| 33 | |
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| 34 | struct fit_sum_f |
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| 35 | { |
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| 36 | constexpr int operator()(int x, int y) const |
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| 37 | { |
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| 38 | return x + y; |
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| 39 | } |
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| 40 | }; |
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| 41 | |
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| 42 | BOOST_HOF_STATIC_LAMBDA_FUNCTION(fit_sum_fo) = fit_sum_f(); |
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| 43 | |
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| 44 | BOOST_HOF_STATIC_FUNCTION(fit_sum_constexpr_fo) = fit_sum_f(); |
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| 45 | |
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| 46 | BOOST_HOF_DECLARE_STATIC_VAR(fit_sum_var, fit_sum_f); |
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| 47 | |
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| 48 | // BOOST_HOF_STATIC_FUNCTION(fit_sum) = [](auto x, auto y) |
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| 49 | // { |
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| 50 | // return x + y; |
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| 51 | // }; |
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| 52 | |
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| 53 | template<class T> |
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| 54 | T fit_sum(T x, T y) |
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| 55 | { |
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| 56 | return x + y; |
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| 57 | }; |
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| 58 | |
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| 59 | } |
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| 60 | |
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| 61 | #endif |
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| 62 | |
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