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add _va, _Ntail variadic placeholders

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This commit is contained in:
bolero-MURAKAMI 2013-07-09 00:58:31 +09:00
parent e052c3d3a9
commit 8fa8d80ca2
2 changed files with 321 additions and 61 deletions
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82
sprout/functional/bind/placeholder.hpp
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@ -9,9 +9,13 @@ namespace sprout {
// placeholder
//
template<int N>
struct placeholder {};
struct placeholder
// : public std::integral_constant<int, N>
{};
template<>
struct placeholder<-1> {
struct placeholder<-1>
// : public std::integral_constant<int, -1>
{
public:
template<int N2>
SPROUT_CONSTEXPR operator sprout::placeholder<N2>() const {
@ -53,6 +57,38 @@ namespace sprout {
SPROUT_STATIC_CONSTEXPR sprout::placeholder<30> _30 = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-1> _ = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256> _va = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 1> _1tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 2> _2tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 3> _3tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 4> _4tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 5> _5tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 6> _6tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 7> _7tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 8> _8tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 9> _9tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 10> _10tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 11> _11tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 12> _12tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 13> _13tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 14> _14tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 15> _15tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 16> _16tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 17> _17tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 18> _18tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 19> _19tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 20> _20tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 21> _21tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 22> _22tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 23> _23tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 24> _24tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 25> _25tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 26> _26tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 27> _27tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 28> _28tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 29> _29tail = {};
SPROUT_STATIC_CONSTEXPR sprout::placeholder<-256 - 30> _30tail = {};
} // anonymous-namespace
} // namespace placeholders
using sprout::placeholders::_1;
@ -76,7 +112,7 @@ namespace sprout {
using sprout::placeholders::_19;
using sprout::placeholders::_20;
using sprout::placeholders::_21;
using sprout::placeholders::_2;
using sprout::placeholders::_22;
using sprout::placeholders::_23;
using sprout::placeholders::_24;
using sprout::placeholders::_25;
@ -88,6 +124,38 @@ namespace sprout {
using sprout::placeholders::_;
using sprout::placeholders::_va;
using sprout::placeholders::_1tail;
using sprout::placeholders::_2tail;
using sprout::placeholders::_3tail;
using sprout::placeholders::_4tail;
using sprout::placeholders::_5tail;
using sprout::placeholders::_6tail;
using sprout::placeholders::_7tail;
using sprout::placeholders::_8tail;
using sprout::placeholders::_9tail;
using sprout::placeholders::_10tail;
using sprout::placeholders::_11tail;
using sprout::placeholders::_12tail;
using sprout::placeholders::_13tail;
using sprout::placeholders::_14tail;
using sprout::placeholders::_15tail;
using sprout::placeholders::_16tail;
using sprout::placeholders::_17tail;
using sprout::placeholders::_18tail;
using sprout::placeholders::_19tail;
using sprout::placeholders::_20tail;
using sprout::placeholders::_21tail;
using sprout::placeholders::_22tail;
using sprout::placeholders::_23tail;
using sprout::placeholders::_24tail;
using sprout::placeholders::_25tail;
using sprout::placeholders::_26tail;
using sprout::placeholders::_27tail;
using sprout::placeholders::_28tail;
using sprout::placeholders::_29tail;
using sprout::placeholders::_30tail;
//
// is_placeholder
//
@ -95,6 +163,10 @@ namespace sprout {
struct is_placeholder
: public std::integral_constant<int, 0>
{};
template<int N>
struct is_placeholder<sprout::placeholder<N> >
: public std::integral_constant<int, N>
{};
template<typename T>
struct is_placeholder<T const>
: public sprout::is_placeholder<T>
@ -107,10 +179,6 @@ namespace sprout {
struct is_placeholder<T const volatile>
: public sprout::is_placeholder<T>
{};
template<int N>
struct is_placeholder<sprout::placeholder<N> >
: public std::integral_constant<int, N>
{};
} // namespace sprout
#endif // #ifndef SPROUT_FUNCTIONAL_BIND_PLACEHOLDER_HPP