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Cleanup std formatters

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This commit is contained in:
Victor Zverovich 2023-07-20 16:26:27 -07:00
parent 31c2c5679e
commit 40f35d6f04
1 changed files with 18 additions and 21 deletions
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39
include/fmt/std.h
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@ -173,22 +173,6 @@ FMT_END_NAMESPACE
#ifdef __cpp_lib_variant
FMT_BEGIN_NAMESPACE
FMT_EXPORT
template <typename Char> struct formatter<std::monostate, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const std::monostate&, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto out = ctx.out();
out = detail::write<Char>(out, "monostate");
return out;
}
};
namespace detail {
template <typename T>
@ -222,6 +206,7 @@ auto write_variant_alternative(OutputIt out, const T& v) -> OutputIt {
}
} // namespace detail
template <typename T> struct is_variant_like {
static constexpr const bool value = detail::is_variant_like_<T>::value;
};
@ -231,6 +216,20 @@ template <typename T, typename C> struct is_variant_formattable {
detail::is_variant_formattable_<T, C>::value;
};
FMT_EXPORT
template <typename Char> struct formatter<std::monostate, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
auto format(const std::monostate&, FormatContext& ctx) const
-> decltype(ctx.out()) {
return detail::write<Char>(ctx.out(), "monostate");
}
};
FMT_EXPORT
template <typename Variant, typename Char>
struct formatter<
@ -364,11 +363,9 @@ struct formatter<
# else
out = detail::write_bytes(out, string_view(ti.name()), spec);
# endif
out = detail::write<Char>(out, Char(':'));
out = detail::write<Char>(out, Char(' '));
out = detail::write_bytes(out, string_view(ex.what()), spec);
return out;
*out++ = ':';
*out++ = ' ';
return detail::write_bytes(out, string_view(ex.what()), spec);
#endif
}
};