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Simplify arg_mapper

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This commit is contained in:
Victor Zverovich 2023-01-03 16:19:34 -08:00
parent 9e4a54fa6e
commit 2622cd23e6
1 changed files with 3 additions and 4 deletions
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7
include/fmt/core.h
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@ -1474,8 +1474,7 @@ template <typename Context> struct arg_mapper {
!has_format_as<T>::value && !has_formatter<T, Context>::value &&
!has_fallback_formatter<T, char_type>::value)>
FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-> decltype(std::declval<arg_mapper>().map(
static_cast<underlying_t<T>>(val))) {
-> decltype(this->map(static_cast<underlying_t<T>>(val))) {
return map(static_cast<underlying_t<T>>(val));
}
#endif
@ -1483,7 +1482,7 @@ template <typename Context> struct arg_mapper {
template <typename T, FMT_ENABLE_IF(has_format_as<T>::value &&
!has_formatter<T, Context>::value)>
FMT_CONSTEXPR FMT_INLINE auto map(const T& val)
-> decltype(std::declval<arg_mapper>().map(format_as(T()))) {
-> decltype(this->map(format_as(T()))) {
return map(format_as(val));
}
@ -1524,7 +1523,7 @@ template <typename Context> struct arg_mapper {
template <typename T, FMT_ENABLE_IF(is_named_arg<T>::value)>
FMT_CONSTEXPR FMT_INLINE auto map(const T& named_arg)
-> decltype(std::declval<arg_mapper>().map(named_arg.value)) {
-> decltype(this->map(named_arg.value)) {
return map(named_arg.value);
}