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fix weed type_traits

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This commit is contained in:
bolero-MURAKAMI 2013-03-25 12:43:47 +09:00
parent f712788cce
commit c78e1d0e6d
27 changed files with 279 additions and 306 deletions
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20
sprout/weed/traits/expr/expr_of.hpp
View file

@ -3,6 +3,7 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/type_traits/remove_shallow_cvref.hpp>
#include <sprout/weed/expr/expr_fwd.hpp>
#include <sprout/weed/traits/expr/terminal_or_expr_of.hpp>
@ -14,15 +15,16 @@ namespace sprout {
// expr_of
//
template<typename Tag, typename... Args>
struct expr_of {
public:
typedef sprout::weed::expr<
Tag,
typename sprout::weed::traits::terminal_or_expr_of<
typename sprout::remove_shallow_cvref<Args>::type
>::type...
> type;
};
struct expr_of
: public sprout::identity<
sprout::weed::expr<
Tag,
typename sprout::weed::traits::terminal_or_expr_of<
typename sprout::remove_shallow_cvref<Args>::type
>::type...
>
>
{};
} // namespace traits
} // namespace weed
} // namespace sprout

8
sprout/weed/traits/expr/tag_of.hpp
View file

@ -3,6 +3,7 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/weed/traits/expr/is_expr.hpp>
namespace sprout {
@ -23,10 +24,9 @@ namespace sprout {
typename std::enable_if<
sprout::weed::traits::is_expr<Expr>::value
>::type
> {
public:
typedef typename Expr::expr_tag type;
};
>
: public sprout::identity<typename Expr::expr_tag>
{};
} // namespace traits
} // namespace weed
} // namespace sprout

35
sprout/weed/traits/expr/terminal_of.hpp
View file

@ -3,6 +3,7 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/type_traits/remove_shallow_cvref.hpp>
#include <sprout/weed/expr/expr_fwd.hpp>
#include <sprout/weed/expr/tag.hpp>
@ -25,13 +26,14 @@ namespace sprout {
typename sprout::remove_shallow_cvref<Arg>::type
>::value
>::type
> {
public:
typedef sprout::weed::expr<
sprout::weed::tag::terminal,
typename sprout::remove_shallow_cvref<Arg>::type
> type;
};
>
: public sprout::identity<
sprout::weed::expr<
sprout::weed::tag::terminal,
typename sprout::remove_shallow_cvref<Arg>::type
>
>
{};
template<typename Arg>
struct terminal_of<
Arg,
@ -40,15 +42,16 @@ namespace sprout {
typename sprout::remove_shallow_cvref<Arg>::type
>::value
>::type
> {
public:
typedef sprout::weed::expr<
sprout::weed::tag::terminal,
typename sprout::weed::detail::c_str_as_string<
typename sprout::remove_shallow_cvref<Arg>::type
>::type
> type;
};
>
: public sprout::identity<
sprout::weed::expr<
sprout::weed::tag::terminal,
typename sprout::weed::detail::c_str_as_string<
typename sprout::remove_shallow_cvref<Arg>::type
>::type
>
>
{};
} // namespace traits
} // namespace weed
} // namespace sprout

13
sprout/weed/traits/expr/terminal_or_expr_of.hpp
View file

@ -14,16 +14,15 @@ namespace sprout {
// terminal_or_expr_of
//
template<typename Arg>
struct terminal_or_expr_of {
public:
typedef typename std::conditional<
struct terminal_or_expr_of
: public std::conditional<
sprout::weed::traits::is_expr<
typename sprout::remove_shallow_cvref<Arg>::type
>::value,
typename sprout::remove_shallow_cvref<Arg>::type,
typename sprout::weed::traits::terminal_of<Arg>::type
>::type type;
};
sprout::remove_shallow_cvref<Arg>,
sprout::weed::traits::terminal_of<Arg>
>::type
{};
} // namespace traits
} // namespace weed
} // namespace sprout