Format args according to the format string fmt, and return the result as a string. If present, loc is used for locale-specific formatting.

Format specification specifies how objects are formatted with different kinds of options. The formatting of objects of basic types and standard string types uses the basic format specification.

For basic types and string types, the format specification is based on the format specification in Python. The syntax of format specifications is:

Standard library header <format> (C++20) This header is part of the text processing library.

Format args according to the format string fmt, and write the result to the output iterator out. If present, loc is used for locale-specific formatting. Equivalent to:

Determine the total number of characters in the formatted string by formatting args according to the format string fmt. If present, loc is used for locale-specific formatting. The behavior is undefined if …

Formatters for other pointers and pointers to members are disabled. Specializations such as std::formatter<wchar_t, char> and std::formatter<const char*, wchar_t> that would require encoding …

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std:: vformat ... Format arguments held by args according to the format string fmt, and return the result as a string. If present, loc is used for locale-specific formatting.

Format args according to the format string fmt, and write the result to the output iterator out. At most n characters are written. If present, loc is used for locale-specific formatting. Let CharT be char for …