std::chars_format

 

C++

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Feature test macros (C++20)

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Symbols index

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Formatting library (C++20)

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Byte strings

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Primitive numeric conversions

to_chars (C++17) to_chars_result (C++17) from_chars (C++17) from_chars_result (C++17) chars_format (C++17)

Text encoding identifications

text_encoding (C++26)

 

Defined in header <charconv>
enum class chars_format { scientific = /*unspecified*/, fixed = /*unspecified*/, hex = /*unspecified*/, general = fixed | scientific };		(since C++17)

See More

A BitmaskType used to specify floating-point formatting for std::to_chars and std::from_chars.

Notes

Feature-test macro	Value	Std	Feature
__cpp_lib_to_chars	201611L	(C++17)	Elementary string conversions (std::to_chars, std::from_chars)

Example

See also

to_chars (C++17)	converts an integer or floating-point value to a character sequence (function)
from_chars (C++17)	converts a character sequence to an integer or floating-point value (function)