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Remove usage of Boost.MPL and reduce Boost.FunctionTypes usage

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They are known to be slow on compilation and C++11 offer better alternatives
This commit is contained in:
Alexander Grund 2020-07-05 22:29:14 +02:00
parent df5b77af95
commit cf330e8c86
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GPG key ID: AA48A0760367A42B
6 changed files with 94 additions and 115 deletions
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54
include/turtle/detail/parameter.hpp
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@ -10,24 +10,56 @@
#define MOCK_PARAMETER_HPP_INCLUDED
#include "../config.hpp"
#include <boost/function_types/parameter_types.hpp>
#include <boost/function_types/function_arity.hpp>
#include <boost/mpl/at.hpp>
namespace mock
{
namespace detail
{
template< typename Signature, int n >
struct parameter
template< class... >
struct tuple;
template< std::size_t I, class T >
struct tuple_element;
template< std::size_t I, class H, class... T >
struct tuple_element<I, tuple<H, T...>> : tuple_element<I-1, tuple<T...>>
{};
template< class H, class... T >
struct tuple_element<0, tuple<H, T...>>
{
typedef typename
boost::mpl::at_c<
typename
boost::function_types::parameter_types< Signature >,
n
>::type type;
using type = H;
};
template< typename Signature >
struct result_type;
template< typename R, typename... Args >
struct result_type< R(Args...) >
{
using type = R;
};
template< typename Signature >
struct function_arity;
template< typename R, typename... Args >
struct function_arity< R(Args...) >
{
static constexpr size_t value = sizeof...(Args);
};
template< typename Signature >
struct parameter_types;
template< typename R, typename... Args >
struct parameter_types< R(Args...) >
{
using type = tuple<Args...>;
};
template< typename Signature, int n >
using parameter = tuple_element< n, typename parameter_types<Signature>::type >;
}
} // mock