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add bool_constant [N4334]

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bolero-MURAKAMI 2014-12-10 19:54:12 +09:00
parent fbb95d9068
commit a1f6d6ffc3
35 changed files with 198 additions and 106 deletions
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120
sprout/utility/string_ref/alias.hpp
View file

@ -11,6 +11,7 @@
#include <sprout/config.hpp>
#include <sprout/string/char_traits.hpp>
#include <sprout/utility/string_ref/string_ref.hpp>
#include <sprout/utility/string_ref/type_traits.hpp>
namespace sprout {
//
@ -41,6 +42,125 @@ namespace sprout {
template<typename T, typename Traits = sprout::char_traits<T> >
using basic_string_view = sprout::basic_string_ref<T, Traits>;
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// to_string_view
//
template<typename T, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string_ref<T, Traits>
to_string_view(sprout::basic_string_ref<T, Traits> const& s) {
return sprout::to_string_ref(s);
}
template<typename T, std::size_t N, typename Traits>
inline SPROUT_CONSTEXPR sprout::basic_string_ref<T, Traits>
to_string_view(sprout::basic_string<T, N, Traits> const& s) {
return sprout::to_string_ref(s);
}
template<typename T, typename Traits>
inline SPROUT_NON_CONSTEXPR sprout::basic_string_ref<T, Traits>
to_string_view(std::basic_string<T, Traits> const& s) {
return sprout::to_string_ref(s);
}
template<typename T>
inline SPROUT_CONSTEXPR sprout::basic_string_ref<T>
to_string_view(T const* str) {
return sprout::to_string_ref(str);
}
template<typename T>
inline SPROUT_CONSTEXPR sprout::basic_string_ref<T>
to_string_view(T const* str, std::size_t len) {
return sprout::to_string_ref(str, len);
}
//
// is_basic_string_view
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
using is_basic_string_view = sprout::is_basic_string_ref<T>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
struct is_basic_string_view
: public sprout::is_basic_string_ref<T>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// is_string_view_of
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
using is_string_view_of = sprout::is_string_ref_of<T, Elem>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
struct is_string_view_of
: public sprout::is_string_ref_of<T, Elem>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// is_string_view
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
using is_string_view = sprout::is_string_ref<T>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
struct is_string_view
: public sprout::is_string_ref<T>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// is_wstring_view
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
using is_wstring_view = sprout::is_wstring_ref<T>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
struct is_wstring_view
: public sprout::is_wstring_ref<T>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// is_u16string_view
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
using is_u16string_view = sprout::is_u16string_ref<T>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
struct is_u16string_view
: public sprout::is_u16string_ref<T>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
//
// is_u32string_view
//
#if SPROUT_USE_TEMPLATE_ALIASES
template<typename T>
using is_u32string_view = sprout::is_u32string_ref<T>;
#else // #if SPROUT_USE_TEMPLATE_ALIASES
template<typename T, typename Elem>
struct is_u32string_view
: public sprout::is_u32string_ref<T>
{};
#endif // #if SPROUT_USE_TEMPLATE_ALIASES
#if SPROUT_USE_VARIABLE_TEMPLATES
template<typename T>
SPROUT_STATIC_CONSTEXPR bool is_basic_string_view_v = sprout::is_basic_string_view<T>::value;
template<typename T, typename Elem>
SPROUT_STATIC_CONSTEXPR bool is_string_view_of_v = sprout::is_string_view_of<T, Elem>::value;
template<typename T>
SPROUT_STATIC_CONSTEXPR bool is_string_view_v = sprout::is_string_view<T>::value;
template<typename T>
SPROUT_STATIC_CONSTEXPR bool is_wstring_view_v = sprout::is_wstring_view<T>::value;
template<typename T>
SPROUT_STATIC_CONSTEXPR bool is_u16string_view_v = sprout::is_u16string_view<T>::value;
template<typename T>
SPROUT_STATIC_CONSTEXPR bool is_u32string_view_v = sprout::is_u32string_view<T>::value;
#endif // #if SPROUT_USE_VARIABLE_TEMPLATES
} // namespace sprout
#endif // #ifndef SPROUT_UTILITY_STRING_REF_ALIAS_HPP

3
sprout/utility/string_ref/string_ref.hpp
View file

@ -54,8 +54,7 @@ namespace sprout {
private:
template<typename Iterator>
class is_string_ref_iterator
: public sprout::integral_constant<
bool,
: public sprout::bool_constant<
std::is_same<Iterator, sprout::index_iterator<basic_string_ref&, true> >::value
|| std::is_same<Iterator, sprout::index_iterator<basic_string_ref const&, true> >::value
>