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60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/*<-
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Copyright (c) 2016 Barrett Adair
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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->*/
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//[ args
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#include <type_traits>
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#include <memory>
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#include <callable_traits/callable_traits.hpp>
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namespace ct = callable_traits;
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// all callable types in this example use these parameter types
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using expect = std::tuple<int, float&, const char*>;
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template<typename T>
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void test(){
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// this example shows how callable_traits::args
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// bevaves consistently for many different types
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using args = ct::args<T>;
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static_assert(std::is_same<expect, args>{}, "");
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}
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int main() {
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auto lamda = [](int, float&, const char*){};
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using lam = decltype(lamda);
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test<lam>();
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test<lam&>();
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test<lam&&>();
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test<lam const &>();
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struct foo;
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using pmf = void(foo::*)(int, float&, const char*);
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test<pmf>();
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test<pmf&>();
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test<pmf&&>();
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test<pmf const &>();
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using function_ptr = void(*)(int, float&, const char*);
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test<function_ptr>();
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test<function_ptr&>();
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test<function_ptr&&>();
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test<function_ptr const &>();
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using function_ref = void(&)(int, float&, const char*);
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test<function_ref>();
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using function = void(int, float&, const char*);
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test<function>();
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using abominable = void(int, float&, const char*) const;
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test<abominable>();
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}
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//]
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