9 #ifndef LLVM_SUPPORT_FORMATVARIADICDETAILS_H
10 #define LLVM_SUPPORT_FORMATVARIADICDETAILS_H
16 #include <type_traits>
24 virtual void anchor();
50 : Item(
std::forward<
T>(Item)) {}
70 template <
typename U>
static double test(...);
73 (
sizeof(test<llvm::format_provider<Decayed>>(
nullptr)) == 1);
83 std::enable_if_t<std::is_same<decltype(std::declval<llvm::raw_ostream &>()
84 << std::declval<U>()),
88 template <
typename U>
static double test(...);
90 static bool const value = (
sizeof(test<ConstRefT>(
nullptr)) == 1);
97 :
public std::integral_constant<
99 std::is_base_of<format_adapter, std::remove_reference_t<T>>::value> {
105 template <
typename T>
107 :
public std::integral_constant<
108 bool, !uses_format_member<T>::value && has_FormatProvider<T>::value> {
113 template <
typename T>
115 :
public std::integral_constant<bool, !uses_format_member<T>::value &&
116 !uses_format_provider<T>::value &&
117 has_StreamOperator<T>::value> {};
123 template <
typename T>
125 :
public std::integral_constant<bool, !uses_format_member<T>::value &&
126 !uses_format_provider<T>::value &&
127 !uses_stream_operator<T>::value> {
130 template <
typename T>
131 std::enable_if_t<uses_format_member<T>::value,
T>
133 return std::forward<T>(Item);
136 template <
typename T>
137 std::enable_if_t<uses_format_provider<T>::value, provider_format_adapter<T>>
142 template <
typename T>
143 std::enable_if_t<uses_stream_operator<T>::value,
144 stream_operator_format_adapter<T>>
150 !std::is_same<
llvm::Error, std::remove_cv_t<T>>::value,
151 "llvm::Error-by-value must be wrapped in fmt_consume() for formatv");
155 template <
typename T>
156 std::enable_if_t<uses_missing_provider<T>::value, missing_format_adapter<T>>