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Make is_range and is_tuple_like public API, fix #751

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Dror Levin 2018-06-05 22:42:26 +03:00 committed by Victor Zverovich
parent 6322b47e60
commit cd5b5670ba
1 changed files with 14 additions and 14 deletions
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28
include/fmt/ranges.h
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@ -100,12 +100,6 @@ struct is_range_<T,typename std::conditional<
decltype(internal::declval<T>().end())>, decltype(internal::declval<T>().end())>,
void>::type> : std::true_type {}; void>::type> : std::true_type {};
template <typename T>
struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
is_range_<T>::value && !is_like_std_string<T>::value;
};
/// tuple_size and tuple_element check. /// tuple_size and tuple_element check.
template <typename T> template <typename T>
class is_tuple_like_ { class is_tuple_like_ {
@ -121,12 +115,6 @@ class is_tuple_like_ {
!std::is_void<decltype(check<T>(FMT_NULL))>::value; !std::is_void<decltype(check<T>(FMT_NULL))>::value;
}; };
template <typename T>
struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
is_tuple_like_<T>::value && !is_range_<T>::value;
};
// Check for integer_sequence // Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900 #if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N> template <typename T, T... N>
@ -176,9 +164,15 @@ void for_each(Tuple &&tup, F &&f) {
} }
} // namespace internal } // namespace internal
template <typename T>
struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char> template <typename TupleT, typename Char>
struct formatter<TupleT, Char, struct formatter<TupleT, Char,
typename std::enable_if<internal::is_tuple_like<TupleT>::value>::type> { typename std::enable_if<fmt::is_tuple_like<TupleT>::value>::type> {
private: private:
// C++11 generic lambda for format() // C++11 generic lambda for format()
template <typename FormatContext> template <typename FormatContext>
@ -228,9 +222,15 @@ public:
} }
}; };
template <typename T>
struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value && !internal::is_like_std_string<T>::value;
};
template <typename RangeT, typename Char> template <typename RangeT, typename Char>
struct formatter<RangeT, Char, struct formatter<RangeT, Char,
typename std::enable_if<internal::is_range<RangeT>::value>::type> { typename std::enable_if<fmt::is_range<RangeT>::value>::type> {
formatting_range<Char> formatting; formatting_range<Char> formatting;