`<format>`
`template< class Context > class basic_format_arg<Context>::handle;`		( C++20)

handle std::make_format_args std::visit_format_arg - visit std::basic_format_arg ( C++26).

handle TriviallyCopyable, :

const void*
void (*)(std::basic_format_parse_context<Context::char_type>&, Context&, const void*), - format ( ).

-

format

(C++20)

(public -)

std::basic_format_arg<Context>::handle::format

`void format( std::basic_format_parse_context<Context::char_type>& parse_ctx, Context& format_ctx ) const;`		( C++20)

T ,
TD std::remove_const_t<T>,
TQ const TD, const TD __formattable_with<Context> TD ,
ref .

: typename Context::template formatter_type<TD> f; parse_ctx.advance_to(f.parse(parse_ctx)); format_ctx.advance_to(f.format(const_cast<TQ&>(static_cast<const TD&>(ref)), format_ctx));

handle . , handle, . handle .

basic_format_arg (C++20)	, ( ) []
make_format_argsmake_wformat_args (C++20)(C++20)	, , format_args ( ) []







(C++20)

(C++20)
(C++11)





(C++20)


/

(C++11)
(C++11)
(C++11)
(C++17)


format (C++20)
format_to (C++20)
format_to_n (C++20)
formatted_size (C++20)
vformat (C++20)
vformat_to (C++20)

formattable (C++23)

formatter (C++20)
range_formatter (C++23)
basic_format_parse_contextformat_parse_contextwformat_parse_context (C++20)(C++20)(C++20)
basic_format_contextformat_contextwformat_context (C++20)(C++20)(C++20)
range_format (C++23)
format_kind (C++23)

basic_format_arg (C++20)
basic_format_arg::handle (C++20)
basic_format_argsformat_argswformat_args (C++20)(C++20)(C++20)
basic_format_stringformat_stringwformat_string (C++20)(C++20)(C++20)
visit_format_arg (C++20) ( C++26)
make_format_argsmake_wformat_args (C++20)(C++20)

format_error (C++20)

cppreference.com

std::basic_format_arg<Context>::handle

-

std::basic_format_arg<Context>::handle::format