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Deprecate fmt::char8_t

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This commit is contained in:
Victor Zverovich
2020-03-14 10:32:34 -07:00
parent 6f01b6ebb6
commit 678341275b
4 changed files with 40 additions and 42 deletions
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12
include/fmt/core.h
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@@ -315,6 +315,12 @@ FMT_CONSTEXPR typename std::make_unsigned<Int>::type to_unsigned(Int value) {
FMT_ASSERT(value >= 0, "negative value");
return static_cast<typename std::make_unsigned<Int>::type>(value);
}
#ifdef __cpp_char8_t
using char8_type = char8_t;
#else
enum char8_type : unsigned char {};
#endif
} // namespace internal
template <typename... Ts>
@@ -415,15 +421,15 @@ using string_view = basic_string_view<char>;
using wstring_view = basic_string_view<wchar_t>;
#ifndef __cpp_char8_t
// A UTF-8 code unit type.
enum char8_t : unsigned char {};
// char8_t is deprecated; use char instead.
using char8_t FMT_DEPRECATED_ALIAS = internal::char8_type;
#endif
/** Specifies if ``T`` is a character type. Can be specialized by users. */
template <typename T> struct is_char : std::false_type {};
template <> struct is_char<char> : std::true_type {};
template <> struct is_char<wchar_t> : std::true_type {};
template <> struct is_char<char8_t> : std::true_type {};
template <> struct is_char<internal::char8_type> : std::true_type {};
template <> struct is_char<char16_t> : std::true_type {};
template <> struct is_char<char32_t> : std::true_type {};