Boolean literals - cppreference.com (original) (raw)

[edit] Syntax

| | | | | --------- | --- | | | true | (1) | | | | | | | false | (2) | | | | | |

[edit] Explanation

The Boolean literals are the keywords true and false. They are prvalues of type bool.

[edit] Notes

See Integral conversions for implicit conversions from bool to other types and boolean conversions for the implicit conversions from other types to bool.

[edit] Keywords

false,true

[edit] Example

[edit] References

C++23 standard (ISO/IEC 14882:2024):
5.13.6 Boolean literals [lex.bool]
C++20 standard (ISO/IEC 14882:2020):
5.13.6 Boolean literals [lex.bool]
C++17 standard (ISO/IEC 14882:2017):
5.13.6 Boolean literals [lex.bool]
C++14 standard (ISO/IEC 14882:2014):
2.13.6 Boolean literals [lex.bool]
C++11 standard (ISO/IEC 14882:2011):
2.13.6 Boolean literals [lex.bool]
C++98 standard (ISO/IEC 14882:1998):
2.13.5 Boolean literals [lex.bool]