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Variants

std:: range_format

From cppreference.net
C++
Text processing library
Formatting library
Standard format specification
Formatting functions
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
Format strings
(C++20) (C++20) (C++20)
(C++26)
Formatting concepts
(C++23)
Formatter
(C++20)
(C++23)
(C++23)
(C++23)
(C++23)
(C++20) (C++20) (C++20)
(C++20) (C++20) (C++20)
range_format
(C++23)
(C++23)
Formatting arguments
(C++20)
(C++20)
(C++20) (C++20) (C++20)
(C++20) (deprecated in C++26)
(C++20) (C++20)
Format error
(C++20)
Defined in header <format>
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

(C++20)
defines formatting rules for a given type
(class template)
(C++23)
selects a suited std::range_format for a range
(variable template)