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add bind, mem_fn, ref, and others.

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bolero-MURAKAMI 2012-04-10 01:38:55 +09:00
parent 30dbbc44fc
commit aa4fc785b0
29 changed files with 1564 additions and 18 deletions
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6
sprout/config.hpp
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@ -3,9 +3,11 @@
#ifndef SPROUT_CONFIG_DISABLE_CONSTEXPR
# define SPROUT_CONSTEXPR constexpr
# define SPROUT_CONSTEXPR_OR_CONST constexpr
# define SPROUT_STATIC_CONSTEXPR static constexpr
#else // #ifndef SPROUT_CONFIG_DISABLE_CONSTEXPR
# define SPROUT_CONSTEXPR
# define SPROUT_CONSTEXPR_OR_CONST const
# define SPROUT_STATIC_CONSTEXPR static const
#endif // #ifndef SPROUT_CONFIG_DISABLE_CONSTEXPR
@ -30,9 +32,9 @@
#endif // #ifndef SPROUT_CONFIG_DISABLE_USER_DEFINED_LITERALS
#ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
# define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sprout/functional.hpp>
# define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sprout/functional/functor.hpp>
# define HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT <sprout/algorithm/non_modifying.hpp>
# define HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT <sprout/iterator.hpp>
# define HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT <sprout/iterator/operation.hpp>
# define NS_SSCRISK_CEL_OR_SPROUT sprout
#else // #ifndef SPROUT_CONFIG_USE_SSCRISK_CEL
# define HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT <sscrisk/cel/functional.hpp>

10
sprout/functional.hpp
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@ -2,9 +2,11 @@
#define SPROUT_FUNCTIONAL_HPP
#include <sprout/config.hpp>
#include <sprout/functional/arithmetic.hpp>
#include <sprout/functional/comparison.hpp>
#include <sprout/functional/bind1st.hpp>
#include <sprout/functional/bind2nd.hpp>
#include <sprout/functional/base.hpp>
#include <sprout/functional/functor.hpp>
#include <sprout/functional/ref.hpp>
#include <sprout/functional/mem_fn.hpp>
#include <sprout/functional/bind.hpp>
#include <sprout/functional/hash.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_HPP

8
sprout/functional/base.hpp Normal file
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@ -0,0 +1,8 @@
#ifndef SPROUT_FUNCTIONAL_BASE_HPP
#define SPROUT_FUNCTIONAL_BASE_HPP
#include <sprout/config.hpp>
#include <sprout/functional/unary_function.hpp>
#include <sprout/functional/binary_function.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_BASE_HPP

19
sprout/functional/binary_function.hpp Normal file
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@ -0,0 +1,19 @@
#ifndef SPROUT_FUNCTIONAL_BINARY_FUNCTION_HPP
#define SPROUT_FUNCTIONAL_BINARY_FUNCTION_HPP
#include <sprout/config.hpp>
namespace sprout {
//
// binary_function
//
template<typename Arg1, typename Arg2, typename Result>
struct binary_function {
public:
typedef Arg1 first_argument_type;
typedef Arg2 second_argument_type;
typedef Result result_type;
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BINARY_FUNCTION_HPP

7
sprout/functional/bind.hpp Normal file
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@ -0,0 +1,7 @@
#ifndef SPROUT_FUNCTIONAL_BIND_HPP
#define SPROUT_FUNCTIONAL_BIND_HPP
#include <sprout/config.hpp>
#include <sprout/functional/bind/bind.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_BIND_HPP

541
sprout/functional/bind/bind.hpp Normal file
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@ -0,0 +1,541 @@
#ifndef SPROUT_FUNCTIONAL_BIND_BIND_HPP
#define SPROUT_FUNCTIONAL_BIND_BIND_HPP
#include <cstddef>
#include <utility>
#include <tuple>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/utility/lvalue_forward.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/functional/ref.hpp>
#include <sprout/functional/mem_fn.hpp>
#include <sprout/functional/weak_result_type.hpp>
namespace sprout {
// 20.8.9 bind
template<typename T>
struct is_bind_expression
: public std::false_type
{};
template<typename T>
struct is_bind_expression<T const>
: public sprout::is_bind_expression<T>
{};
template<typename T>
struct is_placeholder
: public std::integral_constant<int, 0>
{};
template<typename T>
struct is_placeholder<T const>
: public sprout::is_placeholder<T>
{};
//
// placeholder
//
template<int N>
struct placeholder {};
namespace placeholders {
SPROUT_STATIC_CONSTEXPR sprout::placeholder<1> _1;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<2> _2;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<3> _3;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<4> _4;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<5> _5;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<6> _6;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<7> _7;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<8> _8;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<9> _9;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<10> _10;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<11> _11;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<12> _12;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<13> _13;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<14> _14;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<15> _15;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<16> _16;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<17> _17;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<18> _18;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<19> _19;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<20> _20;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<21> _21;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<22> _22;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<23> _23;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<24> _24;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<25> _25;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<26> _26;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<27> _27;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<28> _28;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<29> _29;
SPROUT_STATIC_CONSTEXPR sprout::placeholder<30> _30;
} // namespace placeholders
using sprout::placeholders::_1;
using sprout::placeholders::_2;
using sprout::placeholders::_3;
using sprout::placeholders::_4;
using sprout::placeholders::_5;
using sprout::placeholders::_6;
using sprout::placeholders::_7;
using sprout::placeholders::_8;
using sprout::placeholders::_9;
using sprout::placeholders::_10;
using sprout::placeholders::_11;
using sprout::placeholders::_12;
using sprout::placeholders::_13;
using sprout::placeholders::_14;
using sprout::placeholders::_15;
using sprout::placeholders::_16;
using sprout::placeholders::_17;
using sprout::placeholders::_18;
using sprout::placeholders::_19;
using sprout::placeholders::_20;
using sprout::placeholders::_21;
using sprout::placeholders::_2;
using sprout::placeholders::_23;
using sprout::placeholders::_24;
using sprout::placeholders::_25;
using sprout::placeholders::_26;
using sprout::placeholders::_27;
using sprout::placeholders::_28;
using sprout::placeholders::_29;
using sprout::placeholders::_30;
template<int N>
struct is_placeholder<sprout::placeholder<N> >
: public std::integral_constant<int, N>
{};
namespace detail {
struct no_tuple_element;
template<std::size_t I, typename Tuple, bool IsSafe>
struct safe_tuple_element_impl
: tuple_element<I, Tuple>
{};
template<std::size_t I, typename Tuple>
struct safe_tuple_element_impl<I, Tuple, false> {
public:
typedef sprout::detail::no_tuple_element type;
};
template<std::size_t I, typename Tuple>
struct safe_tuple_element
: public sprout::detail::safe_tuple_element_impl<I, Tuple, (I < sprout::tuples::tuple_size<Tuple>::value)>
{};
template<
typename Arg,
bool IsBindExp = sprout::is_bind_expression<Arg>::value,
bool IsPlaceholder = (sprout::is_placeholder<Arg>::value > 0)
>
class mu;
template<typename T>
class mu<sprout::reference_wrapper<T>, false, false> {
public:
typedef T& result_type;
public:
template<typename CVRef, typename Tuple>
SPROUT_CONSTEXPR result_type operator()(CVRef& arg, Tuple&) const volatile {
// !!!
//return arg.get();
return const_cast<typename std::remove_volatile<typename std::remove_reference<CVRef>::type>::type&>(arg).get();
}
};
template<typename Arg>
class mu<Arg, true, false> {
private:
template<typename CVArg, typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR auto call(
CVArg& arg,
sprout::tuples::tuple<Args...>& tuple,
sprout::index_tuple<Indexes...>
) const volatile
-> decltype(arg(std::declval<Args>()...))
{
return arg(sprout::forward<Args>(sprout::tuples::get<Indexes>(tuple))...);
}
public:
template<typename CVArg, typename... Args>
SPROUT_CONSTEXPR auto operator()(CVArg& arg, sprout::tuples::tuple<Args...>& tuple) const volatile
-> decltype(arg(std::declval<Args>()...))
{
return call(arg, tuple, typename sprout::index_range<0, sizeof...(Args)>::type());
}
};
template<typename Arg>
class mu<Arg, false, true> {
public:
template<typename Signature>
class result;
template<typename CVMu, typename CVArg, typename Tuple>
class result<CVMu (CVArg, Tuple)> {
private:
typedef typename sprout::detail::safe_tuple_element<
(sprout::is_placeholder<Arg>::value - 1),
Tuple
>::type base_type;
public:
typedef typename std::add_rvalue_reference<base_type>::type type;
};
public:
template<typename Tuple>
typename result<mu (Arg, Tuple)>::type
SPROUT_CONSTEXPR operator()(Arg const volatile&, Tuple& tuple) const volatile {
return sprout::forward<typename result<mu (Arg, Tuple)>::type>(
sprout::tuples::get<(sprout::is_placeholder<Arg>::value - 1)>(tuple)
);
}
};
template<typename Arg>
class mu<Arg, false, false> {
public:
template<typename Signature>
struct result;
template<typename CVMu, typename CVArg, typename Tuple>
struct result<CVMu (CVArg, Tuple)> {
public:
typedef typename std::add_lvalue_reference<CVArg>::type type;
};
public:
template<typename CVArg, typename Tuple>
SPROUT_CONSTEXPR CVArg&& operator()(CVArg&& arg, Tuple&) const volatile {
return sprout::forward<CVArg>(arg);
}
};
template<typename T>
struct maybe_wrap_member_pointer {
public:
typedef T type;
public:
static SPROUT_CONSTEXPR T const& do_wrap(T const& x) {
return x;
}
static SPROUT_CONSTEXPR T&& do_wrap(T&& x) {
return static_cast<T&&>(x);
}
};
template<typename T, typename Class>
struct maybe_wrap_member_pointer<T Class::*> {
public:
typedef sprout::mem_fn_adaptor<T Class::*> type;
public:
static SPROUT_CONSTEXPR type do_wrap(T Class::* pm) {
return type(pm);
}
};
template<>
struct maybe_wrap_member_pointer<void> {
public:
typedef void type;
};
template<std::size_t I, typename... Types>
inline auto volget(sprout::tuples::tuple<Types...> volatile& tuple)
-> typename sprout::tuples::tuple_element<I, sprout::tuples::tuple<Types...> >::type volatile&
{
return sprout::tuples::get<I>(const_cast<sprout::tuples::tuple<Types...>&>(tuple));
}
template<std::size_t I, typename... Types>
inline SPROUT_CONSTEXPR auto volget(sprout::tuples::tuple<Types...> const volatile& tuple)
-> typename sprout::tuples::tuple_element<I, sprout::tuples::tuple<Types...> >::type const volatile&
{
return sprout::tuples::get<I>(const_cast<sprout::tuples::tuple<Types...> const&>(tuple));
}
} // namespace detail
//
// binder
//
template<typename Signature>
struct binder;
template<typename Functor, typename... BoundArgs>
class binder<Functor(BoundArgs...)>
: public sprout::weak_result_type<Functor>
{
private:
typedef binder self_type;
typedef typename sprout::index_range<0, sizeof...(BoundArgs)>::type bound_indexes;
private:
Functor f_;
sprout::tuples::tuple<BoundArgs...> bound_args_;
private:
template<typename Result, typename... Args, sprout::index_t... Indexes>
Result call(sprout::tuples::tuple<Args...>&& args, sprout::index_tuple<Indexes...>) {
return f_(sprout::detail::mu<BoundArgs>()(sprout::tuples::get<Indexes>(bound_args_), args)...);
}
template<typename Result, typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR Result call_c(sprout::tuples::tuple<Args...>&& args, sprout::index_tuple<Indexes...>) const {
return f_(sprout::detail::mu<BoundArgs>()(sprout::tuples::get<Indexes>(bound_args_), args)...);
}
template<typename Result, typename... Args, sprout::index_t... Indexes>
Result call_v(sprout::tuples::tuple<Args...>&& args, sprout::index_tuple<Indexes...>) volatile {
return f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
template<typename Result, typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR Result call_cv(sprout::tuples::tuple<Args...>&& args, sprout::index_tuple<Indexes...>) const volatile {
return f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
public:
template<typename... Args>
explicit SPROUT_CONSTEXPR binder(Functor const& f, Args&&... args)
: f_(f)
, bound_args_(sprout::forward<Args>(args)...)
{}
binder(binder const&) = default;
template<
typename... Args,
typename Result = decltype(
std::declval<Functor>()(
sprout::detail::mu<BoundArgs>()(
std::declval<BoundArgs&>(),
std::declval<sprout::tuples::tuple<Args...>&>()
)...
)
)
>
Result operator()(Args&&... args) {
return call<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<
typename... Args,
typename Result = decltype(
std::declval<typename std::enable_if<(sizeof...(Args) >= 0), typename std::add_const<Functor>::type>::type>()(
sprout::detail::mu<BoundArgs>()(
std::declval<BoundArgs const&>(),
std::declval<sprout::tuples::tuple<Args...>&>()
)...
)
)
>
SPROUT_CONSTEXPR Result operator()(Args&&... args) const {
return call_c<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<
typename... Args,
typename Result = decltype(
std::declval<typename std::enable_if<(sizeof...(Args) >= 0), typename std::add_volatile<Functor>::type>::type>()(
sprout::detail::mu<BoundArgs>()(
std::declval<BoundArgs volatile&>(),
std::declval<sprout::tuples::tuple<Args...>&>()
)...
)
)
>
Result operator()(Args&&... args) volatile {
return call_v<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<
typename... Args,
typename Result = decltype(
std::declval<typename std::enable_if<(sizeof...(Args) >= 0), typename std::add_cv<Functor>::type>::type>()(
sprout::detail::mu<BoundArgs>()(
std::declval<BoundArgs const volatile&>(),
std::declval<sprout::tuples::tuple<Args...>&>()
)...
)
)
>
SPROUT_CONSTEXPR Result operator()(Args&&... args) const volatile {
return call_cv<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
};
//
// bind_result
//
template<typename Result, typename Signature>
struct bind_result;
template<typename Result, typename Functor, typename... BoundArgs>
class bind_result<Result, Functor(BoundArgs...)> {
private:
typedef bind_result self_type;
typedef typename sprout::index_range<0, sizeof...(BoundArgs)>::type bound_indexes;
private:
template<typename Res>
struct enable_if_void
: public std::enable_if<std::is_void<Res>::value, int>
{};
template<typename Res>
struct disable_if_void
: public std::enable_if<!std::is_void<Res>::value, int>
{};
private:
Functor f_;
sprout::tuples::tuple<BoundArgs...> bound_args_;
private:
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename disable_if_void<Res>::type = 0
)
{
return f_(sprout::detail::mu<BoundArgs>()(sprout::tuples::get<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename enable_if_void<Res>::type = 0
)
{
f_(sprout::detail::mu<BoundArgs>()(get<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename disable_if_void<Res>::type = 0
) const
{
return f_(sprout::detail::mu<BoundArgs>()(sprout::tuples::get<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename enable_if_void<Res>::type = 0
) const
{
f_(sprout::detail::mu<BoundArgs>()(sprout::tuples::get<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename disable_if_void<Res>::type = 0
) volatile
{
return f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename enable_if_void<Res>::type = 0
) volatile
{
f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
SPROUT_CONSTEXPR Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename disable_if_void<Res>::type = 0
) const volatile
{
return f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
template<typename Res, typename... Args, sprout::index_t... Indexes>
Result call(
sprout::tuples::tuple<Args...>&& args,
sprout::index_tuple<Indexes...>,
typename enable_if_void<Res>::type = 0
) const volatile
{
f_(sprout::detail::mu<BoundArgs>()(sprout::detail::volget<Indexes>(bound_args_), args)...);
}
public:
typedef Result result_type;
template<typename... Args>
explicit bind_result(Functor const& f, Args&&... args)
: f_(f)
, bound_args_(sprout::forward<Args>(args)...)
{}
bind_result(bind_result const&) = default;
template<typename... Args>
result_type operator()(Args&&... args) {
return call<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<typename... Args>
SPROUT_CONSTEXPR result_type operator()(Args&&... args) const {
return call<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<typename... Args>
result_type operator()(Args&&... args) volatile {
return call<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
template<typename... Args>
SPROUT_CONSTEXPR result_type operator()(Args&&... args) const volatile {
return call<Result>(
sprout::tuples::forward_as_tuple(sprout::forward<Args>(args)...),
bound_indexes()
);
}
};
template<typename Signature>
struct is_bind_expression<sprout::binder<Signature> >
: public std::true_type
{};
template<typename Result, typename Signature>
struct is_bind_expression<sprout::bind_result<Result, Signature> >
: public std::true_type
{};
namespace detail {
template<typename Func, typename... BoundArgs>
struct bind_helper {
public:
typedef sprout::detail::maybe_wrap_member_pointer<typename std::decay<Func>::type> maybe_type;
typedef typename maybe_type::type func_type;
typedef sprout::binder<func_type (typename std::decay<BoundArgs>::type...)> type;
};
template<typename Result, typename Func, typename... BoundArgs>
struct bindres_helper {
public:
typedef sprout::detail::maybe_wrap_member_pointer<typename std::decay<Func>::type> maybe_type;
typedef typename maybe_type::type functor_type;
typedef sprout::bind_result<Result, functor_type (typename std::decay<BoundArgs>::type...)> type;
};
} // namespace detail
//
// bind
//
template<typename F, typename... BoundArgs>
inline SPROUT_CONSTEXPR typename sprout::detail::bind_helper<F, BoundArgs...>::type
bind(F&& f, BoundArgs&&... args) {
typedef sprout::detail::bind_helper<F, BoundArgs...> helper_type;
typedef typename helper_type::maybe_type maybe_type;
typedef typename helper_type::type result_type;
return result_type(maybe_type::do_wrap(sprout::forward<F>(f)), sprout::forward<BoundArgs>(args)...);
}
template<typename R, typename F, typename... BoundArgs>
inline SPROUT_CONSTEXPR typename sprout::detail::bindres_helper<R, F, BoundArgs...>::type
bind(F&& f, BoundArgs&&... args) {
typedef sprout::detail::bindres_helper<R, F, BoundArgs...> helper_type;
typedef typename helper_type::maybe_type maybe_type;
typedef typename helper_type::type result_type;
return result_type(maybe_type::do_wrap(sprout::forward<F>(f)), sprout::forward<BoundArgs>(args)...);
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIND_BIND_HPP

8
sprout/functional/binder.hpp Normal file
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@ -0,0 +1,8 @@
#ifndef SPROUT_FUNCTIONAL_BINDER_HPP
#define SPROUT_FUNCTIONAL_BINDER_HPP
#include <sprout/config.hpp>
#include <sprout/functional/bind1st.hpp>
#include <sprout/functional/bind2nd.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_BINDER_HPP

21
sprout/functional/bit_and.hpp Normal file
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@ -0,0 +1,21 @@
#ifndef SPROUT_FUNCTIONAL_BIT_AND_HPP
#define SPROUT_FUNCTIONAL_BIT_AND_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.7 bitwise operations
template<typename T>
struct bit_and {
public:
typedef T first_argument_type;
typedef T second_argument_type;
typedef T result_type;
public:
SPROUT_CONSTEXPR T operator()(T const& x, T const& y) const {
return x & y;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIT_AND_HPP

20
sprout/functional/bit_not.hpp Normal file
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@ -0,0 +1,20 @@
#ifndef SPROUT_FUNCTIONAL_BIT_NOT_HPP
#define SPROUT_FUNCTIONAL_BIT_NOT_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.7 bitwise operations
template<typename T>
struct bit_not {
public:
typedef T argument_type;
typedef T result_type;
public:
SPROUT_CONSTEXPR T operator()(T const& x) const {
return !x;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIT_NOT_HPP

21
sprout/functional/bit_or.hpp Normal file
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@ -0,0 +1,21 @@
#ifndef SPROUT_FUNCTIONAL_BIT_OR_HPP
#define SPROUT_FUNCTIONAL_BIT_OR_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.7 bitwise operations
template<typename T>
struct bit_or {
public:
typedef T first_argument_type;
typedef T second_argument_type;
typedef T result_type;
public:
SPROUT_CONSTEXPR T operator()(T const& x, T const& y) const {
return x | y;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIT_OR_HPP

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@ -0,0 +1,21 @@
#ifndef SPROUT_FUNCTIONAL_BIT_XOR_HPP
#define SPROUT_FUNCTIONAL_BIT_XOR_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.7 bitwise operations
template<typename T>
struct bit_xor {
public:
typedef T first_argument_type;
typedef T second_argument_type;
typedef T result_type;
public:
SPROUT_CONSTEXPR T operator()(T const& x, T const& y) const {
return x ^ y;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIT_XOR_HPP

9
sprout/functional/bitwise.hpp Normal file
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@ -0,0 +1,9 @@
#ifndef SPROUT_FUNCTIONAL_BITWISE_HPP
#define SPROUT_FUNCTIONAL_BITWISE_HPP
#include <sprout/config.hpp>
#include <sprout/functional/bit_and.hpp>
#include <sprout/functional/bit_or.hpp>
#include <sprout/functional/bit_xor.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_BITWISE_HPP

12
sprout/functional/functor.hpp Normal file
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@ -0,0 +1,12 @@
#ifndef SPROUT_FUNCTIONAL_FUNCTOR_HPP
#define SPROUT_FUNCTIONAL_FUNCTOR_HPP
#include <sprout/config.hpp>
#include <sprout/functional/arithmetic.hpp>
#include <sprout/functional/comparison.hpp>
#include <sprout/functional/logical.hpp>
#include <sprout/functional/bitwise.hpp>
#include <sprout/functional/binder.hpp>
#include <sprout/functional/negator.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_FUNCTOR_HPP

20
sprout/functional/hash/hash.hpp
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@ -13,9 +13,11 @@ namespace sprout {
//
inline SPROUT_CONSTEXPR std::size_t hash_value(bool v);
inline SPROUT_CONSTEXPR std::size_t hash_value(char v);
inline SPROUT_CONSTEXPR std::size_t hash_value(wchar_t v);
inline SPROUT_CONSTEXPR std::size_t hash_value(unsigned char v);
inline SPROUT_CONSTEXPR std::size_t hash_value(signed char v);
inline SPROUT_CONSTEXPR std::size_t hash_value(char16_t v);
inline SPROUT_CONSTEXPR std::size_t hash_value(char32_t v);
inline SPROUT_CONSTEXPR std::size_t hash_value(wchar_t v);
inline SPROUT_CONSTEXPR std::size_t hash_value(short v);
inline SPROUT_CONSTEXPR std::size_t hash_value(unsigned short v);
inline SPROUT_CONSTEXPR std::size_t hash_value(int v);
@ -103,15 +105,21 @@ namespace sprout {
inline SPROUT_CONSTEXPR std::size_t hash_value(char v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(wchar_t v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(unsigned char v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(signed char v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(char16_t v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(char32_t v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(wchar_t v) {
return static_cast<std::size_t>(v);
}
inline SPROUT_CONSTEXPR std::size_t hash_value(short v) {
return static_cast<std::size_t>(v);
}
@ -216,9 +224,11 @@ namespace sprout {
SPROUT_HASH_SPECIALIZE(bool);
SPROUT_HASH_SPECIALIZE(char);
SPROUT_HASH_SPECIALIZE(wchar_t);
SPROUT_HASH_SPECIALIZE(signed char);
SPROUT_HASH_SPECIALIZE(unsigned char);
SPROUT_HASH_SPECIALIZE(char16_t);
SPROUT_HASH_SPECIALIZE(char32_t);
SPROUT_HASH_SPECIALIZE(wchar_t);
SPROUT_HASH_SPECIALIZE(short);
SPROUT_HASH_SPECIALIZE(unsigned short);
SPROUT_HASH_SPECIALIZE(int);

9
sprout/functional/logical.hpp Normal file
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@ -0,0 +1,9 @@
#ifndef SPROUT_FUNCTIONAL_LOGICAL_HPP
#define SPROUT_FUNCTIONAL_LOGICAL_HPP
#include <sprout/config.hpp>
#include <sprout/functional/logical_and.hpp>
#include <sprout/functional/logical_or.hpp>
#include <sprout/functional/logical_not.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_LOGICAL_HPP

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@ -0,0 +1,21 @@
#ifndef SPROUT_FUNCTIONAL_LOGICAL_AND_HPP
#define SPROUT_FUNCTIONAL_LOGICAL_AND_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.6 logical operations
template<typename T>
struct logical_and {
public:
typedef T first_argument_type;
typedef T second_argument_type;
typedef bool result_type;
public:
SPROUT_CONSTEXPR bool operator()(T const& x, T const& y) const {
return x && y;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_LOGICAL_AND_HPP

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sprout/functional/logical_not.hpp Normal file
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@ -0,0 +1,20 @@
#ifndef SPROUT_FUNCTIONAL_LOGICAL_NOT_HPP
#define SPROUT_FUNCTIONAL_LOGICAL_NOT_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.6 logical operations
template<typename T>
struct logical_not {
public:
typedef T argument_type;
typedef bool result_type;
public:
SPROUT_CONSTEXPR bool operator()(T const& x) const {
return !x;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_LOGICAL_NOT_HPP

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sprout/functional/logical_or.hpp Normal file
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@ -0,0 +1,21 @@
#ifndef SPROUT_FUNCTIONAL_LOGICAL_OR_HPP
#define SPROUT_FUNCTIONAL_LOGICAL_OR_HPP
#include <sprout/config.hpp>
namespace sprout {
// 20.8.6 logical operations
template<typename T>
struct logical_or {
public:
typedef T first_argument_type;
typedef T second_argument_type;
typedef bool result_type;
public:
SPROUT_CONSTEXPR bool operator()(T const& x, T const& y) const {
return x || y;
}
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_LOGICAL_OR_HPP

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#ifndef SPROUT_FUNCTIONAL_MEM_FN_HPP
#define SPROUT_FUNCTIONAL_MEM_FN_HPP
#include <functional>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout {
// 20.8.10 member function adaptors
namespace detail {
template<typename Res, typename... Args>
struct maybe_unary_or_binary_function {};
template<typename Res, typename T1>
struct maybe_unary_or_binary_function<Res, T1>
: public std::unary_function<T1, Res>
{};
template<typename Res, typename T1, typename T2>
struct maybe_unary_or_binary_function<Res, T1, T2>
: public std::binary_function<T1, T2, Res>
{};
template<typename T, bool>
struct mem_fn_const_or_non {
public:
typedef T const& type;
};
template<typename T>
struct mem_fn_const_or_non<T, false> {
public:
typedef T& type;
};
} // namespace detail
//
// mem_fn_adaptor
//
template<typename MemberPointer>
class mem_fn_adaptor;
template<typename Res, typename Class, typename... Args>
class mem_fn_adaptor<Res (Class::*)(Args...)>
: public sprout::detail::maybe_unary_or_binary_function<Res, Class*, Args...>
{
public:
typedef Res result_type;
private:
typedef Res (Class::*functor)(Args...);
private:
functor pmf_;
private:
template<typename T>
Res call(T& object, Class const volatile*, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
Res call(T& ptr, void const volatile*, Args... args) const {
return ((*ptr).*pmf_)(sprout::forward<Args>(args)...);
}
public:
explicit SPROUT_CONSTEXPR mem_fn_adaptor(functor pmf)
: pmf_(pmf)
{}
Res operator()(Class& object, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
Res operator()(Class* object, Args... args) const {
return (object->*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
Res operator()(T& object, Args... args) const {
return call(object, &object, sprout::forward<Args>(args)...);
}
};
template<typename Res, typename Class, typename... Args>
class mem_fn_adaptor<Res (Class::*)(Args...) const>
: public sprout::detail::maybe_unary_or_binary_function<Res, Class const*, Args...>
{
public:
typedef Res result_type;
private:
typedef Res (Class::*functor)(Args...) const;
private:
functor pmf_;
private:
template<typename T>
SPROUT_CONSTEXPR Res call(T const& object, Class const volatile*, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
SPROUT_CONSTEXPR Res call(T const& ptr, void const volatile*, Args... args) const {
return ((*ptr).*pmf_)(sprout::forward<Args>(args)...);
}
public:
explicit SPROUT_CONSTEXPR mem_fn_adaptor(functor pmf)
: pmf_(pmf)
{}
SPROUT_CONSTEXPR Res operator()(Class const& object, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
SPROUT_CONSTEXPR Res operator()(Class const* object, Args... args) const {
return (object->*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
SPROUT_CONSTEXPR Res operator()(T const& object, Args... args) const {
return call(object, &object, sprout::forward<Args>(args)...);
}
};
template<typename Res, typename Class, typename... Args>
class mem_fn_adaptor<Res (Class::*)(Args...) volatile>
: public sprout::detail::maybe_unary_or_binary_function<Res, Class volatile*, Args...>
{
public:
typedef Res result_type;
private:
typedef Res (Class::*functor)(Args...) volatile;
private:
functor pmf_;
private:
template<typename T>
Res call(T& object, Class const volatile*, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
Res call(T& ptr, void const volatile*, Args... args) const {
return ((*ptr).*pmf_)(sprout::forward<Args>(args)...);
}
public:
explicit SPROUT_CONSTEXPR mem_fn_adaptor(functor pmf)
: pmf_(pmf)
{}
Res operator()(Class volatile& object, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
Res operator()(Class volatile* object, Args... args) const {
return (object->*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
Res operator()(T& object, Args... args) const {
return call(object, &object, sprout::forward<Args>(args)...);
}
};
template<typename Res, typename Class, typename... Args>
class mem_fn_adaptor<Res (Class::*)(Args...) const volatile>
: public sprout::detail::maybe_unary_or_binary_function<Res, Class const volatile*, Args...>
{
public:
typedef Res result_type;
private:
typedef Res (Class::*functor)(Args...) const volatile;
private:
functor pmf_;
private:
template<typename T>
SPROUT_CONSTEXPR Res call(T const& object, Class const volatile*, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
SPROUT_CONSTEXPR Res call(T const& ptr, void const volatile*, Args... args) const {
return ((*ptr).*pmf_)(sprout::forward<Args>(args)...);
}
public:
explicit SPROUT_CONSTEXPR mem_fn_adaptor(functor pmf)
: pmf_(pmf)
{}
SPROUT_CONSTEXPR Res operator()(Class const volatile& object, Args... args) const {
return (object.*pmf_)(sprout::forward<Args>(args)...);
}
SPROUT_CONSTEXPR Res operator()(Class const volatile* object, Args... args) const {
return (object->*pmf_)(sprout::forward<Args>(args)...);
}
template<typename T>
SPROUT_CONSTEXPR Res operator()(T const& object, Args... args) const {
return call(object, &object, sprout::forward<Args>(args)...);
}
};
template<typename Res, typename Class>
class mem_fn_adaptor<Res Class::*> {
private:
typedef char one;
struct two { char v[2]; };
private:
template<typename T>
static T& get_ref();
template<typename T>
static one check_const(T&, Class*);
template<typename T, typename Up>
static one check_const(T&, Up* const*);
template<typename T, typename Up>
static two check_const(T&, Up const* const*);
template<typename T>
static two check_const(T&, Class const*);
template<typename T>
static two check_const(T&, const volatile void*);
public:
template<typename T>
struct result_type
: public sprout::detail::mem_fn_const_or_non<
Res,
(sizeof(two) == sizeof(check_const<T>(get_ref<T>(), (T*)0)))
>
{};
template<typename Signature>
struct result;
template<typename CVMem, typename T>
struct result<CVMem(T)>
: public result_type<T>
{};
template<typename CVMem, typename T>
struct result<CVMem(T&)>
: public result_type<T>
{};
private:
Res Class::* pm_;
private:
template<typename T>
Res& call(T& object, Class*) const {
return object.*pm_;
}
template<typename T, typename Up>
Res& call(T& object, Up* const*) const {
return (*object).*pm_;
}
template<typename T, typename Up>
const Res& call(T& object, Up const* const*) const {
return (*object).*pm_;
}
template<typename T>
Res const& call(T& object, Class const*) const {
return object.*pm_;
}
template<typename T>
const Res& call(T& ptr, void const volatile*) const {
return (*ptr).*pm_;
}
public:
explicit SPROUT_CONSTEXPR mem_fn_adaptor(Res Class::* pm)
: pm_(pm)
{}
Res& operator()(Class& object) const {
return object.*pm_;
}
SPROUT_CONSTEXPR Res const& operator()(Class const& object) const {
return object.*pm_;
}
Res& operator()(Class* object) const {
return object->*pm_;
}
SPROUT_CONSTEXPR Res const& operator()(Class const* object) const {
return object->*pm_;
}
template<typename T>
typename result_type<T>::type operator()(T& unknown) const {
return call(unknown, &unknown);
}
};
//
// mem_fn
//
template<typename T, typename Class>
inline SPROUT_CONSTEXPR sprout::mem_fn_adaptor<T Class::*> mem_fn(T Class::* pm) {
return sprout::mem_fn_adaptor<T Class::*>(pm);
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_MEM_FN_HPP

8
sprout/functional/negator.hpp Normal file
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@ -0,0 +1,8 @@
#ifndef SPROUT_FUNCTIONAL_NEGATOR_HPP
#define SPROUT_FUNCTIONAL_NEGATOR_HPP
#include <sprout/config.hpp>
#include <sprout/functional/not1.hpp>
#include <sprout/functional/not2.hpp>
#endif // #ifndef SPROUT_FUNCTIONAL_NEGATOR_HPP

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sprout/functional/not1.hpp Normal file
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@ -0,0 +1,31 @@
#ifndef SPROUT_FUNCTIONAL_NOT1_HPP
#define SPROUT_FUNCTIONAL_NOT1_HPP
#include <functional>
#include <sprout/config.hpp>
namespace sprout {
// 20.8.8 negators
template<typename Predicate>
class unary_negate {
public:
typedef typename Predicate::argument_type argument_type;
typedef bool result_type;
protected:
Predicate fn;
public:
explicit SPROUT_CONSTEXPR unary_negate(Predicate const& pred)
: fn(pred)
{}
SPROUT_CONSTEXPR bool operator()(typename Predicate::argument_type const& x) const {
return !fn(x);
}
};
template<typename Predicate>
inline SPROUT_CONSTEXPR sprout::unary_negate<Predicate> not1(Predicate const& pred) {
return sprout::unary_negate<Predicate>(pred);
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_NOT1_HPP

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#ifndef SPROUT_FUNCTIONAL_NOT2_HPP
#define SPROUT_FUNCTIONAL_NOT2_HPP
#include <functional>
#include <sprout/config.hpp>
namespace sprout {
// 20.8.8 negators
template<typename Predicate>
class binary_negate {
public:
typedef typename Predicate::first_argument_type first_argument_type;
typedef typename Predicate::second_argument_type second_argument_type;
typedef bool result_type;
protected:
Predicate fn;
public:
explicit SPROUT_CONSTEXPR binary_negate(Predicate const& pred)
: fn(pred)
{}
SPROUT_CONSTEXPR bool operator()(typename Predicate::first_argument_type const& x, typename Predicate::second_argument_type const& y) const {
return !fn(x, y);
}
};
template<typename Predicate>
inline SPROUT_CONSTEXPR sprout::binary_negate<Predicate> not2(Predicate const& pred) {
return sprout::binary_negate<Predicate>(pred);
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_NOT2_HPP

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#ifndef SPROUT_FUNCTIONAL_REF_HPP
#define SPROUT_FUNCTIONAL_REF_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/type_traits/has_xxx.hpp>
#include <sprout/type_traits/inherit_if_xxx.hpp>
#include <sprout/functional/base.hpp>
#include <sprout/functional/weak_result_type.hpp>
namespace sprout {
// 20.8.3 reference_wrapper
namespace detail {
template<bool Unary, bool Binary, typename T>
struct reference_wrapper_base_impl;
template<typename T>
struct reference_wrapper_base_impl<false, false, T>
: public sprout::weak_result_type<T>
{};
template<typename T>
struct reference_wrapper_base_impl<true, false, T>
: public sprout::weak_result_type<T>
{
public:
typedef typename T::argument_type argument_type;
};
template<typename T>
struct reference_wrapper_base_impl<false, true, T>
: public sprout::weak_result_type<T>
{
public:
typedef typename T::first_argument_type first_argument_type;
typedef typename T::second_argument_type second_argument_type;
};
template<typename T>
struct reference_wrapper_base_impl<true, true, T>
: public sprout::weak_result_type<T>
{
public:
typedef typename T::argument_type argument_type;
typedef typename T::first_argument_type first_argument_type;
typedef typename T::second_argument_type second_argument_type;
};
template<typename T>
struct reference_wrapper_base
: public sprout::detail::reference_wrapper_base_impl<
sprout::detail::has_argument_type<T>::value,
sprout::detail::has_first_argument_type<T>::value
&& sprout::detail::has_second_argument_type<T>::value
,
T
>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res(T1)>
: public sprout::unary_function<T1, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res(T1) const>
: public sprout::unary_function<T1, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res(T1) volatile>
: public sprout::unary_function<T1, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res(T1) const volatile>
: public sprout::unary_function<T1, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res(T1, T2)>
: public sprout::binary_function<T1, T2, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res(T1, T2) const>
: public sprout::binary_function<T1, T2, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res(T1, T2) volatile>
: public sprout::binary_function<T1, T2, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res(T1, T2) const volatile>
: public sprout::binary_function<T1, T2, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res(*)(T1)>
: public sprout::unary_function<T1, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res(*)(T1, T2)>
: public sprout::binary_function<T1, T2, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res (T1::*)()>
: public sprout::unary_function<T1*, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res (T1::*)(T2)>
: public sprout::binary_function<T1*, T2, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res (T1::*)() const>
: public sprout::unary_function<T1 const*, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res (T1::*)(T2) const>
: public sprout::binary_function<T1 const*, T2, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res (T1::*)() volatile>
: public sprout::unary_function<T1 volatile*, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res (T1::*)(T2) volatile>
: public sprout::binary_function<T1 volatile*, T2, Res>
{};
template<typename Res, typename T1>
struct reference_wrapper_base<Res (T1::*)() const volatile>
: public sprout::unary_function<T1 const volatile*, Res>
{};
template<typename Res, typename T1, typename T2>
struct reference_wrapper_base<Res (T1::*)(T2) const volatile>
: public sprout::binary_function<T1 const volatile*, T2, Res>
{};
} // namespace detail
template<typename T>
class reference_wrapper
: public sprout::detail::reference_wrapper_base<typename std::remove_cv<T>::type>
{
public:
// types
typedef T type;
private:
T* t_;
public:
// construct/copy/destroy
SPROUT_CONSTEXPR reference_wrapper(T& t) SPROUT_NOEXCEPT
: t_(&t)
{}
reference_wrapper(T&&) = delete;
reference_wrapper(reference_wrapper<T> const&) SPROUT_NOEXCEPT = default;
// assignment
reference_wrapper& operator=(reference_wrapper<T> const&) SPROUT_NOEXCEPT = default;
// access
SPROUT_CONSTEXPR operator T& () const SPROUT_NOEXCEPT {
return *t_;
}
SPROUT_CONSTEXPR T& get() const SPROUT_NOEXCEPT {
return *t_;
}
SPROUT_CONSTEXPR T* get_pointer() const SPROUT_NOEXCEPT {
return t_;
}
// invocation
template<typename... Args>
SPROUT_CONSTEXPR typename std::result_of<T& (Args&&...)>::type
operator() (Args&&... args) const {
return (*t_)(sprout::forward<Args>(args)...);
}
};
//
// ref
// cref
//
template<typename T>
inline SPROUT_CONSTEXPR sprout::reference_wrapper<T> ref(T& t) SPROUT_NOEXCEPT {
return sprout::reference_wrapper<T>(t);
}
template<typename T>
inline SPROUT_CONSTEXPR sprout::reference_wrapper<T const> cref(T const& t) SPROUT_NOEXCEPT {
return sprout::reference_wrapper<T const>(t);
}
template<typename T>
void ref(T const&&) = delete;
template<typename T>
void cref(T const&&) = delete;
template<typename T>
inline SPROUT_CONSTEXPR sprout::reference_wrapper<T> ref(sprout::reference_wrapper<T> t) SPROUT_NOEXCEPT {
return t;
}
template<typename T>
inline SPROUT_CONSTEXPR sprout::reference_wrapper<T const> cref(sprout::reference_wrapper<T> t) SPROUT_NOEXCEPT {
return sprout::reference_wrapper<T const>(t.get());
}
//
// is_reference_wrapper
//
template<typename T>
struct is_reference_wrapper
: public std::false_type
{};
template<typename T>
struct is_reference_wrapper<sprout::reference_wrapper<T> >
: public std::true_type
{};
template<typename T>
struct is_reference_wrapper<T const>
: public sprout::is_reference_wrapper<T>
{};
template<typename T>
struct is_reference_wrapper<T volatile>
: public sprout::is_reference_wrapper<T>
{};
template<typename T>
struct is_reference_wrapper<T const volatile>
: public sprout::is_reference_wrapper<T>
{};
//
// unwrap_reference
//
template<typename T>
struct unwrap_reference {
public:
typedef T type;
};
template<typename T>
struct unwrap_reference<sprout::reference_wrapper<T> > {
public:
typedef T type;
};
template<typename T>
struct unwrap_reference<T const>
: public sprout::unwrap_reference<T>
{};
template<typename T>
struct unwrap_reference<T volatile>
: public sprout::unwrap_reference<T>
{};
template<typename T>
struct unwrap_reference<T const volatile>
: public sprout::unwrap_reference<T>
{};
//
// unwrap_ref
//
template<typename T>
inline typename sprout::unwrap_reference<T>::type& unwrap_ref(T& t) {
return t;
}
template<typename T>
inline SPROUT_CONSTEXPR typename sprout::unwrap_reference<T const>::type& unwrap_ref(T const& t) {
return t;
}
//
// get_pointer
//
template<typename T>
inline SPROUT_CONSTEXPR T* get_pointer(sprout::reference_wrapper<T> const& r) {
return r.get_pointer();
}
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_REF_HPP

18
sprout/functional/unary_function.hpp Normal file
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@ -0,0 +1,18 @@
#ifndef SPROUT_FUNCTIONAL_UNARY_FUNCTION_HPP
#define SPROUT_FUNCTIONAL_UNARY_FUNCTION_HPP
#include <sprout/config.hpp>
namespace sprout {
//
// unary_function
//
template<typename Arg, typename Result>
struct unary_function {
public:
typedef Arg argument_type;
typedef Result result_type;
};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_UNARY_FUNCTION_HPP

100
sprout/functional/weak_result_type.hpp Normal file
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@ -0,0 +1,100 @@
#ifndef SPROUT_FUNCTIONAL_WEAK_RESULT_TYPE_HPP
#define SPROUT_FUNCTIONAL_WEAK_RESULT_TYPE_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/has_xxx.hpp>
#include <sprout/type_traits/inherit_if_xxx.hpp>
namespace sprout {
namespace detail {
//
// has_result_type
// has_argument_type
// has_first_argument_type
// has_second_argument_type
//
SPROUT_HAS_XXX_TYPE_DEF_LAZY(result_type);
SPROUT_HAS_XXX_TYPE_DEF_LAZY(argument_type);
SPROUT_HAS_XXX_TYPE_DEF_LAZY(first_argument_type);
SPROUT_HAS_XXX_TYPE_DEF_LAZY(second_argument_type);
//
// inherit_if_result_type
// inherit_if_argument_type
// inherit_if_first_argument_type
// inherit_if_second_argument_type
//
SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(result_type);
SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(argument_type);
SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(first_argument_type);
SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(second_argument_type);
template<typename F>
struct weak_result_type_impl
: public sprout::detail::inherit_if_result_type<F>
{};
template<typename F>
struct weak_result_type_impl<F const>
: public sprout::detail::weak_result_type_impl<F>
{};
template<typename F>
struct weak_result_type_impl<F volatile>
: public sprout::detail::weak_result_type_impl<F>
{};
template<typename F>
struct weak_result_type_impl<F const volatile>
: public sprout::detail::weak_result_type_impl<F>
{};
template<typename R, typename... Args>
struct weak_result_type_impl<R (Args...)> {
public:
typedef R result_type;
};
template<typename R, typename... Args>
struct weak_result_type_impl<R (Args......)> {
public:
typedef R result_type;
};
template<typename R, typename... Args>
struct weak_result_type_impl<R (&)(Args...)> {
public:
typedef R result_type;
};
template<typename R, typename... Args>
struct weak_result_type_impl<R (&)(Args......)> {
public:
typedef R result_type;
};
template<typename R, typename... Args>
struct weak_result_type_impl<R (*)(Args...)> {
public:
typedef R result_type;
};
template<typename R, typename... Args>
struct weak_result_type_impl<R (*)(Args......)> {
public:
typedef R result_type;
};
template<typename R, typename Class, typename... Args>
struct weak_result_type_impl<R (Class::*)(Args...)> {
public:
typedef R result_type;
};
template<typename R, typename Class, typename... Args>
struct weak_result_type_impl<R (Class::*)(Args......)> {
public:
typedef R result_type;
};
} // namespace detail
//
// weak_result_type
//
template<typename F>
struct weak_result_type
: public sprout::detail::weak_result_type_impl<typename std::remove_cv<F>::type>
{};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_WEAK_RESULT_TYPE_HPP

9
sprout/tuple/tuple.hpp
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@ -215,14 +215,9 @@ namespace sprout {
: inherited_type(elements...)
{}
template<typename... UTypes>
SPROUT_CONSTEXPR explicit tuple(UTypes const&... elements)
: inherited_type(elements...)
SPROUT_CONSTEXPR explicit tuple(UTypes&&... elements)
: inherited_type(sprout::forward<UTypes>(elements)...)
{}
// !!!
// template<typename... UTypes>
// SPROUT_CONSTEXPR explicit tuple(UTypes&&... elements)
// : inherited_type(sprout::forward<UTypes>(elements)...)
// {}
SPROUT_CONSTEXPR tuple(tuple const&) = default;
SPROUT_CONSTEXPR tuple(tuple&&) = default;
template<typename... UTypes>

2
sprout/type_traits.hpp
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@ -4,5 +4,7 @@
#include <sprout/config.hpp>
#include <sprout/type_traits/lvalue_reference.hpp>
#include <sprout/type_traits/const_reference.hpp>
#include <sprout/type_traits/has_xxx.hpp>
#include <sprout/type_traits/inherit_if_xxx.hpp>
#endif // #ifndef SPROUT_TYPE_TRAITS_HPP

27
sprout/type_traits/has_xxx.hpp Normal file
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@ -0,0 +1,27 @@
#ifndef SPROUT_TYPE_TRAITS_HAS_XXX_HPP
#define SPROUT_TYPE_TRAITS_HAS_XXX_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/preprocessor/cat.hpp>
//
// SPROUT_HAS_XXX_TYPE_DEF
//
#define SPROUT_HAS_XXX_TYPE_DEF(NAME, TYPE) \
template<typename T, typename Enable = typename T::TYPE> \
std::true_type SPROUT_PP_CAT(SPROUT_PP_CAT(sprout_has_xxx_impl_check_type_, TYPE), __LINE__)(int); \
template<typename T> \
std::false_type SPROUT_PP_CAT(SPROUT_PP_CAT(sprout_has_xxx_impl_check_type_, TYPE), __LINE__)(long); \
template<typename T> \
struct NAME \
: decltype(SPROUT_PP_CAT(SPROUT_PP_CAT(sprout_has_xxx_impl_check_type_, TYPE), __LINE__)<T>( 0 ) ) \
{}
//
// SPROUT_HAS_XXX_TYPE_DEF_LAZY
//
#define SPROUT_HAS_XXX_TYPE_DEF_LAZY(TYPE) \
SPROUT_HAS_XXX_TYPE_DEF(SPROUT_PP_CAT(has_, TYPE), TYPE)
#endif // #ifndef SPROUT_TYPE_TRAITS_HAS_XXX_HPP

31
sprout/type_traits/inherit_if_xxx.hpp Normal file
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@ -0,0 +1,31 @@
#ifndef SPROUT_TYPE_TRAITS_INHERIT_IF_XXX_HPP
#define SPROUT_TYPE_TRAITS_INHERIT_IF_XXX_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/preprocessor/cat.hpp>
#include <sprout/type_traits/has_xxx.hpp>
//
// SPROUT_INHERIT_IF_XXX_TYPE_DEF
//
#define SPROUT_INHERIT_IF_XXX_TYPE_DEF(NAME, TYPE) \
SPROUT_HAS_XXX_TYPE_DEF(SPROUT_PP_CAT(SPROUT_PP_CAT(sprout_inherit_if_xxx_type_def_impl_has_, TYPE), __LINE__), TYPE); \
template<typename T, typename Enable = void> \
struct NAME {}; \
template<typename T> \
struct NAME< \
T, \
typename std::enable_if<SPROUT_PP_CAT(SPROUT_PP_CAT(sprout_inherit_if_xxx_type_def_impl_has_, TYPE), __LINE__)<T>::value>::type \
> { \
public: \
typedef typename T::TYPE TYPE; \
}
//
// SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY
//
#define SPROUT_INHERIT_IF_XXX_TYPE_DEF_LAZY(TYPE) \
SPROUT_INHERIT_IF_XXX_TYPE_DEF(SPROUT_PP_CAT(inherit_if_, TYPE), TYPE)
#endif // #ifndef SPROUT_TYPE_TRAITS_INHERIT_IF_XXX_HPP