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sprout/variant/variant.hpp 修正

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sprout/weed/attr_cnv/bitwise_or.hpp (variant に対応)
This commit is contained in:
bolero-MURAKAMI 2012-01-11 01:34:37 +09:00
parent e731c3caf4
commit e11da4400b
4 changed files with 71 additions and 12 deletions
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9
sprout/weed/attr_cnv/bitwise_or.hpp
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@ -13,6 +13,7 @@
#include <sprout/weed/detail/is_elem_and_container.hpp>
#include <sprout/weed/detail/is_both_tuple.hpp>
#include <sprout/weed/detail/is_same_elem.hpp>
#include <sprout/weed/detail/is_different_elem.hpp>
#include <sprout/weed/detail/is_elem_and_unused.hpp>
#include <sprout/weed/detail/is_unused_and_elem.hpp>
#include <sprout/weed/detail/is_both_unused.hpp>
@ -88,6 +89,14 @@ namespace sprout {
>::type bitwise_or(X const& x) {
return x;
}
// V | W -> variant<V, W>
template<typename T, typename U, typename X>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::weed::detail::is_different_elem<T, U>::value,
typename sprout::weed::attr_cnv::result_of::bitwise_or<T, U>::type
>::type bitwise_or(X const& x) {
return typename sprout::weed::attr_cnv::result_of::bitwise_or<T, U>::type(x);
}
// V | unused -> container<V, 1>
template<typename T, typename U, typename X>
SPROUT_CONSTEXPR inline typename std::enable_if<

14
sprout/weed/attr_cnv/result_of/bitwise_or.hpp
View file

@ -6,6 +6,7 @@
#include <sprout/string.hpp>
#include <sprout/array.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/variant/variant.hpp>
#include <sprout/weed/unused.hpp>
#include <sprout/weed/traits/type/is_char_type.hpp>
#include <sprout/weed/detail/is_same_container.hpp>
@ -13,6 +14,7 @@
#include <sprout/weed/detail/is_elem_and_container.hpp>
#include <sprout/weed/detail/is_both_tuple.hpp>
#include <sprout/weed/detail/is_same_elem.hpp>
#include <sprout/weed/detail/is_different_elem.hpp>
#include <sprout/weed/detail/is_elem_and_unused.hpp>
#include <sprout/weed/detail/is_unused_and_elem.hpp>
#include <sprout/weed/detail/is_both_unused.hpp>
@ -102,6 +104,18 @@ namespace sprout {
public:
typedef T type;
};
// V | W -> variant<V, W>
template<typename T, typename U>
struct bitwise_or<
T,
U,
typename std::enable_if<
sprout::weed::detail::is_different_elem<T, U>::value
>::type
> {
public:
typedef sprout::variant<T, U> type;
};
// V | unused -> container<V, 1>
template<typename T, typename U>
struct bitwise_or<