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forked from boostorg/mp11

Merge branch 'develop'

This commit is contained in:
Peter Dimov
2015-07-15 18:11:51 +03:00
6 changed files with 349 additions and 2 deletions

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@@ -497,10 +497,127 @@ template<template<class...> class L, class T1, class... T, template<class...> cl
template<class L, template<class...> class P> using mp_sort = typename detail::mp_sort_impl<L, P>::type; template<class L, template<class...> class P> using mp_sort = typename detail::mp_sort_impl<L, P>::type;
// mp_find<L, V>
// mp_find_if<L, P>
// mp_find_index<L, V> // mp_find_index<L, V>
namespace detail
{
template<class L, class V> struct mp_find_index_impl;
#if !defined( BOOST_NO_CXX11_CONSTEXPR )
template<template<class...> class L, class V> struct mp_find_index_impl<L<>, V>
{
using type = mp_size_t<0>;
};
constexpr std::size_t cx_find_index( bool const * first, bool const * last )
{
return first == last || *first? 0: 1 + cx_find_index( first + 1, last );
}
template<template<class...> class L, class... T, class V> struct mp_find_index_impl<L<T...>, V>
{
static constexpr bool _v[] = { std::is_same<T, V>::value... };
using type = mp_size_t< cx_find_index( _v, _v + sizeof...(T) ) >;
};
#else
#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1800 )
template<template<class...> class L, class... T, class V> struct mp_find_index_impl<L<T...>, V>
{
static_assert( sizeof...(T) == 0, "T... must be empty" );
using type = mp_size_t<0>;
};
#else
template<template<class...> class L, class V> struct mp_find_index_impl<L<>, V>
{
using type = mp_size_t<0>;
};
#endif
template<template<class...> class L, class... T, class V> struct mp_find_index_impl<L<V, T...>, V>
{
using type = mp_size_t<0>;
};
template<template<class...> class L, class T1, class... T, class V> struct mp_find_index_impl<L<T1, T...>, V>
{
using _r = typename mp_find_index_impl<mp_list<T...>, V>::type;
using type = mp_size_t<1 + _r::value>;
};
#endif
} // namespace detail
template<class L, class V> using mp_find_index = typename detail::mp_find_index_impl<L, V>::type;
// mp_find_index_if<L, P> // mp_find_index_if<L, P>
namespace detail
{
template<class L, template<class...> class P> struct mp_find_index_if_impl;
#if !defined( BOOST_NO_CXX11_CONSTEXPR )
template<template<class...> class L, template<class...> class P> struct mp_find_index_if_impl<L<>, P>
{
using type = mp_size_t<0>;
};
template<template<class...> class L, class... T, template<class...> class P> struct mp_find_index_if_impl<L<T...>, P>
{
static constexpr bool _v[] = { P<T>::value... };
using type = mp_size_t< cx_find_index( _v, _v + sizeof...(T) ) >;
};
#else
#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1800 )
template<template<class...> class L, class... T, template<class...> class P> struct mp_find_index_if_impl<L<T...>, P>
{
static_assert( sizeof...(T) == 0, "T... must be empty" );
using type = mp_size_t<0>;
};
#else
template<template<class...> class L, template<class...> class P> struct mp_find_index_if_impl<L<>, P>
{
using type = mp_size_t<0>;
};
#endif
template<class L, template<class...> class P> struct mp_find_index_if_impl_2
{
using _r = typename mp_find_index_if_impl<L, P>::type;
using type = mp_size_t<1 + _r::value>;
};
template<template<class...> class L, class T1, class... T, template<class...> class P> struct mp_find_index_if_impl<L<T1, T...>, P>
{
using type = typename mp_if<P<T1>, mp_identity<mp_size_t<0>>, mp_find_index_if_impl_2<mp_list<T...>, P>>::type;
};
#endif
} // namespace detail
template<class L, template<class...> class P> using mp_find_index_if = typename detail::mp_find_index_if_impl<L, P>::type;
// mp_find<L, V>
template<class L, class V> using mp_find = mp_drop<L, mp_find_index<L, V>>;
// mp_find_if<L, P>
template<class L, template<class...> class P> using mp_find_if = mp_drop<L, mp_find_index_if<L, P>>;
// mp_reverse<L> // mp_reverse<L>
// mp_fold<L, V, F> // mp_fold<L, V, F>
// mp_reverse_fold<L, V, F> // mp_reverse_fold<L, V, F>

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@@ -44,6 +44,10 @@ run mp_copy_if.cpp : : : $(REQ) ;
run mp_remove_if.cpp : : : $(REQ) ; run mp_remove_if.cpp : : : $(REQ) ;
run mp_partition.cpp : : : $(REQ) ; run mp_partition.cpp : : : $(REQ) ;
run mp_sort.cpp : : : $(REQ) ; run mp_sort.cpp : : : $(REQ) ;
run mp_find_index.cpp : : : $(REQ) ;
run mp_find_index_if.cpp : : : $(REQ) ;
run mp_find.cpp : : : $(REQ) ;
run mp_find_if.cpp : : : $(REQ) ;
# integral # integral
run integral.cpp : : : $(REQ) ; run integral.cpp : : : $(REQ) ;

54
test/mp_find.cpp Normal file
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@@ -0,0 +1,54 @@
// Copyright 2015 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
int main()
{
using boost::mp_list;
using boost::mp_find;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L1, void>, L1>));
using L2 = mp_list<X1, X2, X2, X3, X3, X3>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L2, void>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L2, X1>, L2>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L2, X2>, mp_list<X2, X2, X3, X3, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L2, X3>, mp_list<X3, X3, X3>>));
}
{
using L3 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L3, void>, L3>));
using L4 = std::tuple<X1, X2, X2, X3, X3, X3>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L4, void>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L4, X1>, L4>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L4, X2>, std::tuple<X2, X2, X3, X3, X3>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find<L4, X3>, std::tuple<X3, X3, X3>>));
}
return boost::report_errors();
}

50
test/mp_find_if.cpp Normal file
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@@ -0,0 +1,50 @@
// Copyright 2015 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
int main()
{
using boost::mp_list;
using boost::mp_find_if;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L1, std::is_const>, L1>));
using L2 = mp_list<X1, X1 const, X1 const, X1*, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_volatile>, mp_list<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_const>, mp_list<X1 const, X1 const, X1*, X1*, X1*>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_pointer>, mp_list<X1*, X1*, X1*>>));
}
{
using L1 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L1, std::is_const>, L1>));
using L2 = std::tuple<X1, X1 const, X1 const, X1*, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_volatile>, std::tuple<>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_const>, std::tuple<X1 const, X1 const, X1*, X1*, X1*>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_if<L2, std::is_pointer>, std::tuple<X1*, X1*, X1*>>));
}
return boost::report_errors();
}

63
test/mp_find_index.cpp Normal file
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@@ -0,0 +1,63 @@
// Copyright 2015 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
struct X2 {};
struct X3 {};
int main()
{
using boost::mp_list;
using boost::mp_find_index;
using boost::mp_size_t;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L1, void>, mp_size_t<0>>));
using L2 = mp_list<X1, X2, X2, X3, X3, X3>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L2, void>, mp_size_t<6>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L2, X1>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L2, X2>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L2, X3>, mp_size_t<3>>));
}
{
using L3 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L3, void>, mp_size_t<0>>));
using L4 = std::tuple<X1, X2, X2, X3, X3, X3>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L4, void>, mp_size_t<6>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L4, X1>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L4, X2>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L4, X3>, mp_size_t<3>>));
}
{
using L5 = std::pair<X1, X2>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L5, void>, mp_size_t<2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L5, X1>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index<L5, X2>, mp_size_t<1>>));
}
return boost::report_errors();
}

59
test/mp_find_index_if.cpp Normal file
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@@ -0,0 +1,59 @@
// Copyright 2015 Peter Dimov.
//
// Distributed under the Boost Software License, Version 1.0.
//
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/mp11/algorithm.hpp>
#include <boost/mp11/list.hpp>
#include <boost/mp11/integral.hpp>
#include <boost/core/lightweight_test_trait.hpp>
#include <type_traits>
#include <tuple>
#include <utility>
struct X1 {};
int main()
{
using boost::mp_list;
using boost::mp_find_index_if;
using boost::mp_size_t;
{
using L1 = mp_list<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L1, std::is_const>, mp_size_t<0>>));
using L2 = mp_list<X1, X1 const, X1 const, X1*, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_volatile>, mp_size_t<6>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_const>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_pointer>, mp_size_t<3>>));
}
{
using L1 = std::tuple<>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L1, std::is_const>, mp_size_t<0>>));
using L2 = std::tuple<X1, X1 const, X1 const, X1*, X1*, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_volatile>, mp_size_t<6>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_const>, mp_size_t<1>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_pointer>, mp_size_t<3>>));
}
{
using L2 = std::pair<X1 const, X1*>;
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_volatile>, mp_size_t<2>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_const>, mp_size_t<0>>));
BOOST_TEST_TRAIT_TRUE((std::is_same<mp_find_index_if<L2, std::is_pointer>, mp_size_t<1>>));
}
return boost::report_errors();
}