C++11???boost??λ??placeholder

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#ifndef HI_MPL_SUPPORT_LAMBDA_H_INCLUDE
#define HI_MPL_SUPPORT_LAMBDA_H_INCLUDE
#define SUPPORT_LAMBDA_1_IMPL(classname?? A1)
template<>
struct classname##< A1 >
{
template<typename... TList>
struct apply
{
using type = typename classname##<
typename A1::apply<TList...>::type>::type;
};
};
#define SUPPORT_LAMBDA_2_IMPL(classname?? A1?? A2)
template<>
struct classname##< A1?? A2 >
{
template<typename... TList>
struct apply
{
using type = typename classname##<
typename A1::apply<TList...>::type??
typename A2::apply<TList...>::type>::type;
};
};
#define SUPPORT_LAMBDA_3_IMPL(classname?? A1?? A2?? A3)
template<>
struct classname##< A1?? A2?? A3 >
{
template<typename... TList>
struct apply
{
using type = typename classname##<
typename A1::apply<TList...>::type??
typename A2::apply<TList...>::type??
typename A3::apply<TList...>::type>::type;
};
};
#define SUPPORT_LAMBDA_4_IMPL(classname?? A1?? A2?? A3?? A4)
template<>
struct classname##< A1?? A2?? A3?? A4 >
{
template<typename... TList>
struct apply
{
using type = typename classname##<
typename A1::apply<TList...>::type??
typename A2::apply<TList...>::type??
typename A3::apply<TList...>::type
typename A4::apply<TList...>::type>::type;
};
};
#define SUPPORT_LAMBDA_5_IMPL(classname?? A1?? A2?? A3?? A4?? A5)
template<>
struct classname##< A1?? A2?? A3?? A4?? A5 >
{
template<typename... TList>
struct apply
{
using type = typename classname##<
typename A1::apply<TList...>::type??
typename A2::apply<TList...>::type??
typename A3::apply<TList...>::type
typename A4::apply<TList...>::type
typename A5::apply<TList...>::type>::type;
};
};
#define SUPPORT_LAMBDA_1(classname?? P)
SUPPORT_LAMBDA_1_IMPL(classname?? P##1)
#define SUPPORT_LAMBDA_2(classname?? P)
SUPPORT_LAMBDA_2_IMPL(classname?? P##1?? P##2)
SUPPORT_LAMBDA_2_IMPL(classname?? P##2?? P##1)
#define SUPPORT_LAMBDA_3(classname?? P)
SUPPORT_LAMBDA_3_IMPL(classname?? P##1?? P##2?? P##3)
SUPPORT_LAMBDA_3_IMPL(classname?? P##1?? P##3?? P##2)
SUPPORT_LAMBDA_3_IMPL(classname?? P##2?? P##1?? P##3)
SUPPORT_LAMBDA_3_IMPL(classname?? P##2?? P##3?? P##1)
SUPPORT_LAMBDA_3_IMPL(classname?? P##3?? P##1?? P##2)
SUPPORT_LAMBDA_3_IMPL(classname?? P##3?? P##2?? P##1)
#define SUPPORT_LAMBDA_4(classname?? P)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##2?? P##3?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##2?? P##4?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##3?? P##2?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##3?? P##4?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##4?? P##3?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##1?? P##4?? P##2?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##1?? P##3?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##1?? P##4?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##3?? P##1?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##3?? P##4?? P##1)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##4?? P##1?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##2?? P##4?? P##3?? P##1)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##1?? P##2?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##1?? P##4?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##2?? P##1?? P##4)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##2?? P##4?? P##1)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##4?? P##1?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##3?? P##4?? P##2?? P##1)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##1?? P##2?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##1?? P##3?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##2?? P##1?? P##3)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##2?? P##3?? P##1)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##3?? P##1?? P##2)
SUPPORT_LAMBDA_4_IMPL(classname?? P##4?? P##3?? P##2?? P##1)
#define SUPPORT_LAMBDA(classname?? n?? prefix)
SUPPORT_LAMBDA_##n(classname?? prefix)
#endif
??????????????????λ???????????????SUPPORT_LAMBDA??????????????????λ??????????????????????λ??????????????????????????????
template<typename T?? typename... TList> struct push_back;
template<typename T?? typename... TList>
struct push_back< typelist<TList...>?? T>
{
typedef typelist<TList...?? T> type;
};
template<>
struct push_back< nulllist >
{
typedef nulllist type;
};
SUPPORT_LAMBDA(push_back?? 2?? placeholders::_);
?????????????????λ?????????boost???????????????????????λ????????????????????????????·???????????á?

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