diff options
Diffstat (limited to 'deps/include/spdlog/fmt/bundled/std.h')
| -rw-r--r-- | deps/include/spdlog/fmt/bundled/std.h | 699 |
1 files changed, 699 insertions, 0 deletions
diff --git a/deps/include/spdlog/fmt/bundled/std.h b/deps/include/spdlog/fmt/bundled/std.h new file mode 100644 index 0000000..1a8508e --- /dev/null +++ b/deps/include/spdlog/fmt/bundled/std.h @@ -0,0 +1,699 @@ +// Formatting library for C++ - formatters for standard library types
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#ifndef FMT_STD_H_
+#define FMT_STD_H_
+
+#include "format.h"
+#include "ostream.h"
+
+#ifndef FMT_MODULE
+# include <atomic>
+# include <bitset>
+# include <complex>
+# include <cstdlib>
+# include <exception>
+# include <memory>
+# include <thread>
+# include <type_traits>
+# include <typeinfo>
+# include <utility>
+# include <vector>
+
+// Check FMT_CPLUSPLUS to suppress a bogus warning in MSVC.
+# if FMT_CPLUSPLUS >= 201703L
+# if FMT_HAS_INCLUDE(<filesystem>)
+# include <filesystem>
+# endif
+# if FMT_HAS_INCLUDE(<variant>)
+# include <variant>
+# endif
+# if FMT_HAS_INCLUDE(<optional>)
+# include <optional>
+# endif
+# endif
+// Use > instead of >= in the version check because <source_location> may be
+// available after C++17 but before C++20 is marked as implemented.
+# if FMT_CPLUSPLUS > 201703L && FMT_HAS_INCLUDE(<source_location>)
+# include <source_location>
+# endif
+# if FMT_CPLUSPLUS > 202002L && FMT_HAS_INCLUDE(<expected>)
+# include <expected>
+# endif
+#endif // FMT_MODULE
+
+#if FMT_HAS_INCLUDE(<version>)
+# include <version>
+#endif
+
+// GCC 4 does not support FMT_HAS_INCLUDE.
+#if FMT_HAS_INCLUDE(<cxxabi.h>) || defined(__GLIBCXX__)
+# include <cxxabi.h>
+// Android NDK with gabi++ library on some architectures does not implement
+// abi::__cxa_demangle().
+# ifndef __GABIXX_CXXABI_H__
+# define FMT_HAS_ABI_CXA_DEMANGLE
+# endif
+#endif
+
+// For older Xcode versions, __cpp_lib_xxx flags are inaccurately defined.
+#ifndef FMT_CPP_LIB_FILESYSTEM
+# ifdef __cpp_lib_filesystem
+# define FMT_CPP_LIB_FILESYSTEM __cpp_lib_filesystem
+# else
+# define FMT_CPP_LIB_FILESYSTEM 0
+# endif
+#endif
+
+#ifndef FMT_CPP_LIB_VARIANT
+# ifdef __cpp_lib_variant
+# define FMT_CPP_LIB_VARIANT __cpp_lib_variant
+# else
+# define FMT_CPP_LIB_VARIANT 0
+# endif
+#endif
+
+#if FMT_CPP_LIB_FILESYSTEM
+FMT_BEGIN_NAMESPACE
+
+namespace detail {
+
+template <typename Char, typename PathChar>
+auto get_path_string(const std::filesystem::path& p,
+ const std::basic_string<PathChar>& native) {
+ if constexpr (std::is_same_v<Char, char> && std::is_same_v<PathChar, wchar_t>)
+ return to_utf8<wchar_t>(native, to_utf8_error_policy::replace);
+ else
+ return p.string<Char>();
+}
+
+template <typename Char, typename PathChar>
+void write_escaped_path(basic_memory_buffer<Char>& quoted,
+ const std::filesystem::path& p,
+ const std::basic_string<PathChar>& native) {
+ if constexpr (std::is_same_v<Char, char> &&
+ std::is_same_v<PathChar, wchar_t>) {
+ auto buf = basic_memory_buffer<wchar_t>();
+ write_escaped_string<wchar_t>(std::back_inserter(buf), native);
+ bool valid = to_utf8<wchar_t>::convert(quoted, {buf.data(), buf.size()});
+ FMT_ASSERT(valid, "invalid utf16");
+ } else if constexpr (std::is_same_v<Char, PathChar>) {
+ write_escaped_string<std::filesystem::path::value_type>(
+ std::back_inserter(quoted), native);
+ } else {
+ write_escaped_string<Char>(std::back_inserter(quoted), p.string<Char>());
+ }
+}
+
+} // namespace detail
+
+FMT_EXPORT
+template <typename Char> struct formatter<std::filesystem::path, Char> {
+ private:
+ format_specs specs_;
+ detail::arg_ref<Char> width_ref_;
+ bool debug_ = false;
+ char path_type_ = 0;
+
+ public:
+ FMT_CONSTEXPR void set_debug_format(bool set = true) { debug_ = set; }
+
+ template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
+ auto it = ctx.begin(), end = ctx.end();
+ if (it == end) return it;
+
+ it = detail::parse_align(it, end, specs_);
+ if (it == end) return it;
+
+ it = detail::parse_dynamic_spec(it, end, specs_.width, width_ref_, ctx);
+ if (it != end && *it == '?') {
+ debug_ = true;
+ ++it;
+ }
+ if (it != end && (*it == 'g')) path_type_ = detail::to_ascii(*it++);
+ return it;
+ }
+
+ template <typename FormatContext>
+ auto format(const std::filesystem::path& p, FormatContext& ctx) const {
+ auto specs = specs_;
+ auto path_string =
+ !path_type_ ? p.native()
+ : p.generic_string<std::filesystem::path::value_type>();
+
+ detail::handle_dynamic_spec<detail::width_checker>(specs.width, width_ref_,
+ ctx);
+ if (!debug_) {
+ auto s = detail::get_path_string<Char>(p, path_string);
+ return detail::write(ctx.out(), basic_string_view<Char>(s), specs);
+ }
+ auto quoted = basic_memory_buffer<Char>();
+ detail::write_escaped_path(quoted, p, path_string);
+ return detail::write(ctx.out(),
+ basic_string_view<Char>(quoted.data(), quoted.size()),
+ specs);
+ }
+};
+
+class path : public std::filesystem::path {
+ public:
+ auto display_string() const -> std::string {
+ const std::filesystem::path& base = *this;
+ return fmt::format(FMT_STRING("{}"), base);
+ }
+ auto system_string() const -> std::string { return string(); }
+
+ auto generic_display_string() const -> std::string {
+ const std::filesystem::path& base = *this;
+ return fmt::format(FMT_STRING("{:g}"), base);
+ }
+ auto generic_system_string() const -> std::string { return generic_string(); }
+};
+
+FMT_END_NAMESPACE
+#endif // FMT_CPP_LIB_FILESYSTEM
+
+FMT_BEGIN_NAMESPACE
+FMT_EXPORT
+template <std::size_t N, typename Char>
+struct formatter<std::bitset<N>, Char> : nested_formatter<string_view> {
+ private:
+ // Functor because C++11 doesn't support generic lambdas.
+ struct writer {
+ const std::bitset<N>& bs;
+
+ template <typename OutputIt>
+ FMT_CONSTEXPR auto operator()(OutputIt out) -> OutputIt {
+ for (auto pos = N; pos > 0; --pos) {
+ out = detail::write<Char>(out, bs[pos - 1] ? Char('1') : Char('0'));
+ }
+
+ return out;
+ }
+ };
+
+ public:
+ template <typename FormatContext>
+ auto format(const std::bitset<N>& bs, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ return write_padded(ctx, writer{bs});
+ }
+};
+
+FMT_EXPORT
+template <typename Char>
+struct formatter<std::thread::id, Char> : basic_ostream_formatter<Char> {};
+FMT_END_NAMESPACE
+
+#ifdef __cpp_lib_optional
+FMT_BEGIN_NAMESPACE
+FMT_EXPORT
+template <typename T, typename Char>
+struct formatter<std::optional<T>, Char,
+ std::enable_if_t<is_formattable<T, Char>::value>> {
+ private:
+ formatter<T, Char> underlying_;
+ static constexpr basic_string_view<Char> optional =
+ detail::string_literal<Char, 'o', 'p', 't', 'i', 'o', 'n', 'a', 'l',
+ '('>{};
+ static constexpr basic_string_view<Char> none =
+ detail::string_literal<Char, 'n', 'o', 'n', 'e'>{};
+
+ template <class U>
+ FMT_CONSTEXPR static auto maybe_set_debug_format(U& u, bool set)
+ -> decltype(u.set_debug_format(set)) {
+ u.set_debug_format(set);
+ }
+
+ template <class U>
+ FMT_CONSTEXPR static void maybe_set_debug_format(U&, ...) {}
+
+ public:
+ template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
+ maybe_set_debug_format(underlying_, true);
+ return underlying_.parse(ctx);
+ }
+
+ template <typename FormatContext>
+ auto format(const std::optional<T>& opt, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ if (!opt) return detail::write<Char>(ctx.out(), none);
+
+ auto out = ctx.out();
+ out = detail::write<Char>(out, optional);
+ ctx.advance_to(out);
+ out = underlying_.format(*opt, ctx);
+ return detail::write(out, ')');
+ }
+};
+FMT_END_NAMESPACE
+#endif // __cpp_lib_optional
+
+#if defined(__cpp_lib_expected) || FMT_CPP_LIB_VARIANT
+
+FMT_BEGIN_NAMESPACE
+namespace detail {
+
+template <typename Char, typename OutputIt, typename T>
+auto write_escaped_alternative(OutputIt out, const T& v) -> OutputIt {
+ if constexpr (has_to_string_view<T>::value)
+ return write_escaped_string<Char>(out, detail::to_string_view(v));
+ if constexpr (std::is_same_v<T, Char>) return write_escaped_char(out, v);
+ return write<Char>(out, v);
+}
+
+} // namespace detail
+
+FMT_END_NAMESPACE
+#endif
+
+#ifdef __cpp_lib_expected
+FMT_BEGIN_NAMESPACE
+
+FMT_EXPORT
+template <typename T, typename E, typename Char>
+struct formatter<std::expected<T, E>, Char,
+ std::enable_if_t<is_formattable<T, Char>::value &&
+ is_formattable<E, Char>::value>> {
+ template <typename ParseContext>
+ FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+ return ctx.begin();
+ }
+
+ template <typename FormatContext>
+ auto format(const std::expected<T, E>& value, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ auto out = ctx.out();
+
+ if (value.has_value()) {
+ out = detail::write<Char>(out, "expected(");
+ out = detail::write_escaped_alternative<Char>(out, *value);
+ } else {
+ out = detail::write<Char>(out, "unexpected(");
+ out = detail::write_escaped_alternative<Char>(out, value.error());
+ }
+ *out++ = ')';
+ return out;
+ }
+};
+FMT_END_NAMESPACE
+#endif // __cpp_lib_expected
+
+#ifdef __cpp_lib_source_location
+FMT_BEGIN_NAMESPACE
+FMT_EXPORT
+template <> struct formatter<std::source_location> {
+ template <typename ParseContext> FMT_CONSTEXPR auto parse(ParseContext& ctx) {
+ return ctx.begin();
+ }
+
+ template <typename FormatContext>
+ auto format(const std::source_location& loc, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ auto out = ctx.out();
+ out = detail::write(out, loc.file_name());
+ out = detail::write(out, ':');
+ out = detail::write<char>(out, loc.line());
+ out = detail::write(out, ':');
+ out = detail::write<char>(out, loc.column());
+ out = detail::write(out, ": ");
+ out = detail::write(out, loc.function_name());
+ return out;
+ }
+};
+FMT_END_NAMESPACE
+#endif
+
+#if FMT_CPP_LIB_VARIANT
+FMT_BEGIN_NAMESPACE
+namespace detail {
+
+template <typename T>
+using variant_index_sequence =
+ std::make_index_sequence<std::variant_size<T>::value>;
+
+template <typename> struct is_variant_like_ : std::false_type {};
+template <typename... Types>
+struct is_variant_like_<std::variant<Types...>> : std::true_type {};
+
+// formattable element check.
+template <typename T, typename C> class is_variant_formattable_ {
+ template <std::size_t... Is>
+ static std::conjunction<
+ is_formattable<std::variant_alternative_t<Is, T>, C>...>
+ check(std::index_sequence<Is...>);
+
+ public:
+ static constexpr const bool value =
+ decltype(check(variant_index_sequence<T>{}))::value;
+};
+
+} // namespace detail
+
+template <typename T> struct is_variant_like {
+ static constexpr const bool value = detail::is_variant_like_<T>::value;
+};
+
+template <typename T, typename C> struct is_variant_formattable {
+ static constexpr const bool value =
+ 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<
+ Variant, Char,
+ std::enable_if_t<std::conjunction_v<
+ is_variant_like<Variant>, is_variant_formattable<Variant, Char>>>> {
+ template <typename ParseContext>
+ FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+ return ctx.begin();
+ }
+
+ template <typename FormatContext>
+ auto format(const Variant& value, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ auto out = ctx.out();
+
+ out = detail::write<Char>(out, "variant(");
+ FMT_TRY {
+ std::visit(
+ [&](const auto& v) {
+ out = detail::write_escaped_alternative<Char>(out, v);
+ },
+ value);
+ }
+ FMT_CATCH(const std::bad_variant_access&) {
+ detail::write<Char>(out, "valueless by exception");
+ }
+ *out++ = ')';
+ return out;
+ }
+};
+FMT_END_NAMESPACE
+#endif // FMT_CPP_LIB_VARIANT
+
+FMT_BEGIN_NAMESPACE
+FMT_EXPORT
+template <typename Char> struct formatter<std::error_code, Char> {
+ template <typename ParseContext>
+ FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
+ return ctx.begin();
+ }
+
+ template <typename FormatContext>
+ FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ auto out = ctx.out();
+ out = detail::write_bytes<Char>(out, ec.category().name(), format_specs());
+ out = detail::write<Char>(out, Char(':'));
+ out = detail::write<Char>(out, ec.value());
+ return out;
+ }
+};
+
+#if FMT_USE_RTTI
+namespace detail {
+
+template <typename Char, typename OutputIt>
+auto write_demangled_name(OutputIt out, const std::type_info& ti) -> OutputIt {
+# ifdef FMT_HAS_ABI_CXA_DEMANGLE
+ int status = 0;
+ std::size_t size = 0;
+ std::unique_ptr<char, void (*)(void*)> demangled_name_ptr(
+ abi::__cxa_demangle(ti.name(), nullptr, &size, &status), &std::free);
+
+ string_view demangled_name_view;
+ if (demangled_name_ptr) {
+ demangled_name_view = demangled_name_ptr.get();
+
+ // Normalization of stdlib inline namespace names.
+ // libc++ inline namespaces.
+ // std::__1::* -> std::*
+ // std::__1::__fs::* -> std::*
+ // libstdc++ inline namespaces.
+ // std::__cxx11::* -> std::*
+ // std::filesystem::__cxx11::* -> std::filesystem::*
+ if (demangled_name_view.starts_with("std::")) {
+ char* begin = demangled_name_ptr.get();
+ char* to = begin + 5; // std::
+ for (char *from = to, *end = begin + demangled_name_view.size();
+ from < end;) {
+ // This is safe, because demangled_name is NUL-terminated.
+ if (from[0] == '_' && from[1] == '_') {
+ char* next = from + 1;
+ while (next < end && *next != ':') next++;
+ if (next[0] == ':' && next[1] == ':') {
+ from = next + 2;
+ continue;
+ }
+ }
+ *to++ = *from++;
+ }
+ demangled_name_view = {begin, detail::to_unsigned(to - begin)};
+ }
+ } else {
+ demangled_name_view = string_view(ti.name());
+ }
+ return detail::write_bytes<Char>(out, demangled_name_view);
+# elif FMT_MSC_VERSION
+ const string_view demangled_name(ti.name());
+ for (std::size_t i = 0; i < demangled_name.size(); ++i) {
+ auto sub = demangled_name;
+ sub.remove_prefix(i);
+ if (sub.starts_with("enum ")) {
+ i += 4;
+ continue;
+ }
+ if (sub.starts_with("class ") || sub.starts_with("union ")) {
+ i += 5;
+ continue;
+ }
+ if (sub.starts_with("struct ")) {
+ i += 6;
+ continue;
+ }
+ if (*sub.begin() != ' ') *out++ = *sub.begin();
+ }
+ return out;
+# else
+ return detail::write_bytes<Char>(out, string_view(ti.name()));
+# endif
+}
+
+} // namespace detail
+
+FMT_EXPORT
+template <typename Char>
+struct formatter<std::type_info, Char // DEPRECATED! Mixing code unit types.
+ > {
+ public:
+ FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
+ -> decltype(ctx.begin()) {
+ return ctx.begin();
+ }
+
+ template <typename Context>
+ auto format(const std::type_info& ti, Context& ctx) const
+ -> decltype(ctx.out()) {
+ return detail::write_demangled_name<Char>(ctx.out(), ti);
+ }
+};
+#endif
+
+FMT_EXPORT
+template <typename T, typename Char>
+struct formatter<
+ T, Char, // DEPRECATED! Mixing code unit types.
+ typename std::enable_if<std::is_base_of<std::exception, T>::value>::type> {
+ private:
+ bool with_typename_ = false;
+
+ public:
+ FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
+ -> decltype(ctx.begin()) {
+ auto it = ctx.begin();
+ auto end = ctx.end();
+ if (it == end || *it == '}') return it;
+ if (*it == 't') {
+ ++it;
+ with_typename_ = FMT_USE_RTTI != 0;
+ }
+ return it;
+ }
+
+ template <typename Context>
+ auto format(const std::exception& ex, Context& ctx) const
+ -> decltype(ctx.out()) {
+ auto out = ctx.out();
+#if FMT_USE_RTTI
+ if (with_typename_) {
+ out = detail::write_demangled_name<Char>(out, typeid(ex));
+ *out++ = ':';
+ *out++ = ' ';
+ }
+#endif
+ return detail::write_bytes<Char>(out, string_view(ex.what()));
+ }
+};
+
+namespace detail {
+
+template <typename T, typename Enable = void>
+struct has_flip : std::false_type {};
+
+template <typename T>
+struct has_flip<T, void_t<decltype(std::declval<T>().flip())>>
+ : std::true_type {};
+
+template <typename T> struct is_bit_reference_like {
+ static constexpr const bool value =
+ std::is_convertible<T, bool>::value &&
+ std::is_nothrow_assignable<T, bool>::value && has_flip<T>::value;
+};
+
+#ifdef _LIBCPP_VERSION
+
+// Workaround for libc++ incompatibility with C++ standard.
+// According to the Standard, `bitset::operator[] const` returns bool.
+template <typename C>
+struct is_bit_reference_like<std::__bit_const_reference<C>> {
+ static constexpr const bool value = true;
+};
+
+#endif
+
+} // namespace detail
+
+// We can't use std::vector<bool, Allocator>::reference and
+// std::bitset<N>::reference because the compiler can't deduce Allocator and N
+// in partial specialization.
+FMT_EXPORT
+template <typename BitRef, typename Char>
+struct formatter<BitRef, Char,
+ enable_if_t<detail::is_bit_reference_like<BitRef>::value>>
+ : formatter<bool, Char> {
+ template <typename FormatContext>
+ FMT_CONSTEXPR auto format(const BitRef& v, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ return formatter<bool, Char>::format(v, ctx);
+ }
+};
+
+template <typename T, typename Deleter>
+auto ptr(const std::unique_ptr<T, Deleter>& p) -> const void* {
+ return p.get();
+}
+template <typename T> auto ptr(const std::shared_ptr<T>& p) -> const void* {
+ return p.get();
+}
+
+FMT_EXPORT
+template <typename T, typename Char>
+struct formatter<std::atomic<T>, Char,
+ enable_if_t<is_formattable<T, Char>::value>>
+ : formatter<T, Char> {
+ template <typename FormatContext>
+ auto format(const std::atomic<T>& v, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ return formatter<T, Char>::format(v.load(), ctx);
+ }
+};
+
+#ifdef __cpp_lib_atomic_flag_test
+FMT_EXPORT
+template <typename Char>
+struct formatter<std::atomic_flag, Char> : formatter<bool, Char> {
+ template <typename FormatContext>
+ auto format(const std::atomic_flag& v, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ return formatter<bool, Char>::format(v.test(), ctx);
+ }
+};
+#endif // __cpp_lib_atomic_flag_test
+
+FMT_EXPORT
+template <typename T, typename Char> struct formatter<std::complex<T>, Char> {
+ private:
+ detail::dynamic_format_specs<Char> specs_;
+
+ template <typename FormatContext, typename OutputIt>
+ FMT_CONSTEXPR auto do_format(const std::complex<T>& c,
+ detail::dynamic_format_specs<Char>& specs,
+ FormatContext& ctx, OutputIt out) const
+ -> OutputIt {
+ if (c.real() != 0) {
+ *out++ = Char('(');
+ out = detail::write<Char>(out, c.real(), specs, ctx.locale());
+ specs.sign = sign::plus;
+ out = detail::write<Char>(out, c.imag(), specs, ctx.locale());
+ if (!detail::isfinite(c.imag())) *out++ = Char(' ');
+ *out++ = Char('i');
+ *out++ = Char(')');
+ return out;
+ }
+ out = detail::write<Char>(out, c.imag(), specs, ctx.locale());
+ if (!detail::isfinite(c.imag())) *out++ = Char(' ');
+ *out++ = Char('i');
+ return out;
+ }
+
+ public:
+ FMT_CONSTEXPR auto parse(basic_format_parse_context<Char>& ctx)
+ -> decltype(ctx.begin()) {
+ if (ctx.begin() == ctx.end() || *ctx.begin() == '}') return ctx.begin();
+ return parse_format_specs(ctx.begin(), ctx.end(), specs_, ctx,
+ detail::type_constant<T, Char>::value);
+ }
+
+ template <typename FormatContext>
+ auto format(const std::complex<T>& c, FormatContext& ctx) const
+ -> decltype(ctx.out()) {
+ auto specs = specs_;
+ if (specs.width_ref.kind != detail::arg_id_kind::none ||
+ specs.precision_ref.kind != detail::arg_id_kind::none) {
+ detail::handle_dynamic_spec<detail::width_checker>(specs.width,
+ specs.width_ref, ctx);
+ detail::handle_dynamic_spec<detail::precision_checker>(
+ specs.precision, specs.precision_ref, ctx);
+ }
+
+ if (specs.width == 0) return do_format(c, specs, ctx, ctx.out());
+ auto buf = basic_memory_buffer<Char>();
+
+ auto outer_specs = format_specs();
+ outer_specs.width = specs.width;
+ outer_specs.fill = specs.fill;
+ outer_specs.align = specs.align;
+
+ specs.width = 0;
+ specs.fill = {};
+ specs.align = align::none;
+
+ do_format(c, specs, ctx, basic_appender<Char>(buf));
+ return detail::write<Char>(ctx.out(),
+ basic_string_view<Char>(buf.data(), buf.size()),
+ outer_specs);
+ }
+};
+
+FMT_END_NAMESPACE
+#endif // FMT_STD_H_
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