std::vprint_nonunicode

Defined in header `<print>`
`void vprint_nonunicode( std::FILE* stream, std::string_view fmt, std::format_args args );`	(1)	(since C++23)
`void vprint_nonunicode( std::string_view fmt, std::format_args args );`	(2)	(since C++23)

Format args according to the format string fmt, and writes the result to the stream.

1) Writes the result of std::vformat(fmt, args) to the stream. The behavior is undefined if stream is not a valid pointer to a C stream.

2) same as (1) when stream is equal to the standard C output stream stdout, i.e. std::vprint_nonunicode(stdout, fmt, args);.

stream - output file stream to write to

fmt

an object that represents the format string. The format string consists of

ordinary characters (except { and }), which are copied unchanged to the output,
escape sequences {{ and }}, which are replaced with { and } respectively in the output, and
replacement fields.

Each replacement field has the following format:

`{` arg-id (optional) `}`	(1)
`{` arg-id (optional) `:` format-spec `}`	(2)

1) replacement field without a format specification 2) replacement field with a format specification

arg-id	-	specifies the index of the argument in `args` whose value is to be used for formatting; if it is omitted, the arguments are used in order. The arg-ids in a format string must all be present or all be omitted. Mixing manual and automatic indexing is an error.
format-spec	-	the format specification defined by the `std::formatter` specialization for the corresponding argument.

For basic types and standard string types, the format specification is interpreted as standard format specification.
For chrono types, the format specification is interpreted as chrono format specification.

(since C++23)

For other formattable types, the format specification is determined by user-defined formatter specializations.

args - arguments to be formatted

(none)

Feature-test macro	Value	Std	Feature
`__cpp_lib_print`	202207L	(C++23)	Formatted output
`__cpp_lib_format`	202207L	(C++23)	Exposing `std::basic_format_string`

vprint_unicode (C++23)	prints to Unicode capable `stdout` or a file stream using type-erased argument representation (function)
vprint_nonunicode(std::ostream) (C++23)	outputs character data using type-erased argument representation (function)
print (C++23)	prints to `stdout` or a file stream using formatted representation of the arguments (function template)
format (C++20)	stores formatted representation of the arguments in a new string (function template)

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