FMT_ENABLE_IF -> enable_if_t

This commit is contained in:
Victor Zverovich 2019-05-31 20:09:19 -07:00
parent 634f707f2b
commit f57227a148
3 changed files with 8 additions and 8 deletions

View File

@ -187,11 +187,6 @@
# define FMT_ASSERT(condition, message) assert((condition) && message)
#endif
// An enable_if helper to be used in template parameters. enable_if in template
// parameters results in much shorter symbols: https://godbolt.org/z/sWw4vP.
#define FMT_ENABLE_IF_T(...) typename std::enable_if<(__VA_ARGS__), int>::type
#define FMT_ENABLE_IF(...) FMT_ENABLE_IF_T(__VA_ARGS__) = 0
// libc++ supports string_view in pre-c++17.
#if (FMT_HAS_INCLUDE(<string_view>) && \
(__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \
@ -215,6 +210,11 @@ using std_string_view = std::experimental::basic_string_view<Char>;
template <typename T> struct std_string_view {};
#endif
// An enable_if helper to be used in template parameters. enable_if in template
// parameters results in much shorter symbols: https://godbolt.org/z/sWw4vP.
template <bool B> using enable_if_t = typename std::enable_if<B, int>::type;
#define FMT_ENABLE_IF(...) internal::enable_if_t<__VA_ARGS__> = 0
#if (__cplusplus >= 201703L || \
(defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)) && \
__cpp_lib_is_invocable >= 201703L

View File

@ -223,7 +223,7 @@ template <typename Locale> Locale locale_ref::get() const {
}
template <typename Char> FMT_FUNC Char thousands_sep_impl(locale_ref loc) {
return std::use_facet<std::numpunct<Char> >(loc.get<std::locale>())
return std::use_facet<std::numpunct<Char>>(loc.get<std::locale>())
.thousands_sep();
}
} // namespace internal
@ -683,7 +683,7 @@ template <int GRISU_VERSION> struct grisu_shortest_handler {
}
};
template <typename Double, FMT_ENABLE_IF_T(sizeof(Double) == sizeof(uint64_t))>
template <typename Double, enable_if_t<sizeof(Double) == sizeof(uint64_t)>>
FMT_API bool grisu_format(Double value, buffer<char>& buf, int precision,
unsigned options, int& exp) {
FMT_ASSERT(value >= 0, "value is negative");

View File

@ -2238,7 +2238,7 @@ FMT_CONSTEXPR bool do_check_format_string(basic_string_view<Char> s,
}
template <typename... Args, typename S,
FMT_ENABLE_IF_T(is_compile_string<S>::value)>
internal::enable_if_t<is_compile_string<S>::value>>
void check_format_string(S format_str) {
typedef typename S::char_type char_t;
FMT_CONSTEXPR_DECL bool invalid_format =