fmt

Namespaces

Name
`enums`
`safe_duration_cast`

Types

Name	Description
`basic_appender`
`basic_cstring_view`	A reference to a null-terminated string. It can be constructed from a C string or `std::string`.
`basic_format_arg`
`basic_format_args`	A view of a collection of formatting arguments. To avoid lifetime issues it should only be used as a parameter type in type-erased functions such as `vformat`:
`basic_fstring`
`basic_memory_buffer`	A dynamically growing memory buffer for trivially copyable/constructible types with the first `SIZE` elements stored in the object itself. Most commonly used via the `memory_buffer` alias for `char`.
`basic_ostream_formatter`
`basic_printf_context`
`basic_specs`
`basic_string_view`	An implementation of `std::basic_string_view` for pre-C++17. It provides a subset of the API. `fmt::basic_string_view` is used for format strings even if `std::basic_string_view` is available to prevent issues when a library is compiled with a different `-std` option than the client code (which is not recommended).
`buffered_file`
`bytes`
`compiled_string`
`conjunction`
`conjunction<P>`
`conjunction<P1, Pn...>`
`context`
`day`
`dynamic_format_arg_store`	A dynamic list of formatting arguments with storage.
`file`
`format_error`	An error reported from a formatting function.
`format_facet`
`format_facet<locale>`
`format_int`	A fast integer formatter.
`format_specs`
`format_to_n_result`
`format_to_result`
`formatter`
`formatter</* implementation-defined */>`
`formatter<bytes>`
`formatter<std::error_code>`
`formatter<std::source_location>`
`formatter<std::type_info>`
`formatter<group_digits_view<T>>`
`formatter<T, char>`
`formatter<std::atomic_flag, Char>`
`formatter<std::byte, Char>`
`formatter<day, Char>`
`formatter</* implementation-defined */, Char>`
`formatter<std::thread::id, Char>`
`formatter<std::monostate, Char>`
`formatter<month, Char>`
`formatter<std::nullptr_t, Char>`
`formatter<std::filesystem::path, Char>`
`formatter<tm, Char>`
`formatter<weekday, Char>`
`formatter<year, Char>`
`formatter<year_month_day, Char>`
`formatter</* implementation-defined */, Char>`
`formatter<signed char, Char>`
`formatter<unsigned char, Char>`
`formatter<short, Char>`
`formatter<unsigned short, Char>`
`formatter<long, Char>`
`formatter<unsigned long, Char>`
`formatter<Char*, Char>`
`formatter<void*, Char>`
`formatter<BitRef, Char>`
`formatter<R, Char>`
`formatter<R, Char>`
`formatter<R, Char>`
`formatter<T, Char>`
`formatter<T, Char>`
`formatter<Tuple, Char>`
`formatter<Variant, Char>`
`formatter<std::atomic<T>, Char>`
`formatter<std::bitset<N>, Char>`
`formatter<std::complex<T>, Char>`
`formatter<local_time<Duration>, Char>`
`formatter<nested_view<T, Char>, Char>`
`formatter<std::optional<T>, Char>`
`formatter<std::reference_wrapper<T>, Char>`
`formatter</* implementation-defined */, Char>`
`formatter</* implementation-defined */, Char>`
`formatter<sys_time<Duration>, Char>`
`formatter<tuple_join_view<Tuple, Char>, Char>`
`formatter</* implementation-defined */, Char>`
`formatter<utc_time<Duration>, Char>`
`formatter<Char[], Char>`
`formatter<std::basic_string<Char, Traits, Allocator>, Char>`
`formatter<std::chrono::duration<Rep, Period>, Char>`
`formatter<std::expected<T, E>, Char>`
`formatter<join_view<It, Sentinel, Char>, Char>`
`formatter<T, Char, void_t</* implementation-defined */>>`
`fstring`	A compile-time format string. Use `format_string` in the public API to prevent type deduction.
`generic_context`
`group_digits_view`
`is_compiled_string`
`is_contiguous`
`is_contiguous<basic_memory_buffer<T, SIZE, Allocator>>`
`is_contiguous<std::basic_string<Char, Traits, Allocator>>`
`is_range`
`is_tuple_formattable`
`is_tuple_like`
`is_variant_like`
`join_view`
`loc_value`
`locale_ref`
`monostate`
`month`
`nested_formatter`
`nested_view`
`parse_context`	Parsing context consisting of a format string range being parsed and an argument counter for automatic indexing.
`parse_context<char>`
`path`
`range_format_kind`
`range_formatter`
`range_formatter<T, Char>`
`rgb`
`runtime_format_string`
`static_format_result`
`string_buffer`
`text_style`	A text style consisting of foreground and background colors and emphasis.
`tuple_join_view`
`vprintf_args`
`weekday`
`writer`
`year`
`year_month_day`
`appender`
`basic_format_context`
`basic_format_parse_context`
`basic_format_string`
`bool_constant`
`buffered_context`
`conditional_t`
`cstring_view`
`decay_t`
`enable_if_t`
`format_args`
`format_context`
`format_parse_context`
`format_string`
`is_formattable`
`local_time`
`make_unsigned_t`
`memory_buffer`
`nullptr_t`
`ostream_formatter`
`printf_args`
`printf_context`
`remove_const_t`
`remove_cvref_t`
`remove_reference_t`
`string_view`
`sys_time`
`underlying_t`
`utc_time`
`vargs`
`void_t`
`wcstring_view`
`wformat_args`
`wformat_context`
`wformat_parse_context`
`wformat_string`
`wmemory_buffer`
`wprintf_args`
`wprintf_context`
`wstring_view`

Enums

Name
`Unnamed enum`
`align`
`arg_id_kind`
`color`
`emphasis`
`presentation_type`
`range_format`
`sign`
`terminal_color`

Functions

Name	Description
`Unnamed overloads`
`arg`	Returns a named argument to be used in a formatting function. It should only be used in a call to a formatting function.
`assert_fail`
`bg`	Creates a text style from the background color.
`fg`	Creates a text style from the foreground (text) color.
`format`	`format` overloads
`format_system_error`	Formats an error message for an error returned by an operating system or a language runtime, for example a file opening error, and writes it to `out`. The format is the same as the one used by `std::system_error(ec, message)` where `ec` is `std::error_code(error_code, std::generic_category())`. It is implementation-defined but normally looks like:
`format_to`	`format_to` overloads
`format_to_n`	Formats `args` according to specifications in `fmt`, writes up to `n` characters of the result to the output iterator `out` and returns the total (not truncated) output size and the iterator past the end of the output range. `format_to_n` does not append a terminating null character.
`formatted_size`	Returns the number of chars in the output of `format(fmt, args...)`.
`fprintf`	Formats `args` according to specifications in `fmt` and writes the output to `f`.
`gmtime`	Converts given time since epoch as `std::time_t` value into calendar time, expressed in Coordinated Universal Time (UTC). Unlike `std::gmtime`, this function is thread-safe on most platforms.
`group_digits`	Returns a view that formats an integer value using ',' as a locale-independent thousands separator.
`join`	`join` overloads
`make_format_args`
`make_printf_args`	Constructs an `format_arg_store` object that contains references to arguments and can be implicitly converted to `printf_args`.
`make_wformat_args`
`max_of`
`min_of`
`operator\|`	Bitwise disjunction operators
`print`	`print` overloads
`printf`	Formats `args` according to specifications in `fmt` and writes the output to `stdout`.
`println`	`println` overloads
`ptr`	Converts `p` to `const void` for pointer formatting.
`report_error`	Reports a format error at compile time or, via a `format_error` exception, at runtime.
`report_system_error`
`runtime`	Creates a runtime format string.
`sprintf`	Formats `args` according to specifications in `fmt` and returns the result as as string.
`streamed`	Returns a view that formats `value` via an ostream `operator<<`.
`styled`	Returns an argument that will be formatted using ANSI escape sequences, to be used in a formatting function.
`system_category`
`system_error`	Constructs `std::system_error` with a message formatted with `fmt::format(fmt, args...)`. `error_code` is a system error code as given by `errno`.
`to_string`	Converts `value` to `std::string` using the default format for type `T`.
`to_wstring`	Converts `value` to `std::wstring` using the default format for type `T`.
`underlying`	Converts `e` to the underlying type.
`vformat`
`vformat_to`	`vformat_to` overloads
`vformat_to_n`
`vfprintf`
`vprint`
`vprint_buffered`
`vprintln`
`vsprintf`
`vsystem_error`
`operator==`	Equality operator
`operator!=`	Inequality operator
`operator<`	Less-than operator
`operator<=`	Less-than-or-equal operator
`operator>`	Greater-than operator
`operator>=`	Greater-than-or-equal operator

Concepts

Name
`formattable`

fmt

Namespaces

Types

Enums

Functions

Concepts

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