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std::range_format - cppreference.com

From cppreference.com

enum class range_format {
    disabled,
    map,
    set,
    sequence,
    string,
    debug_string
};
(since C++23)

Specifies how a range should be formatted.

Constants

Enumerator Meaning
disabled disallows range default formatter to format range
map allows to format range as map representation with modified brackets "{", "}" and separator ": " for underlying pair-like types in the following format:
{ key-1 : value-1, ..., key-n : value-n }
set allows to format range as set representation with modified brackets "{" and "}" in the following format:
{ key-1, ..., key-n }
sequence allows to format range as sequence representation with default brackets "[", "]" and separator ", " in the following format:
[ element-1, ..., element-n ]
string allows to format range as string
debug_string allows to format range as escaped string

See also

defines formatting rules for a given type
(class template) [edit]
selects a suited std::range_format for a range
(variable template)[edit]