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boolean-testable
From cppreference.com
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concepts
C++
Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros
(C++20)
Language support library
Concepts library
(C++20)
Diagnostics library
Memory management library
Metaprogramming library
(C++11)
General utilities library
Containers library
Iterators library
Ranges library
(C++20)
Algorithms library
Strings library
Text processing library
Numerics library
Date and time library
Input/output library
Filesystem library
(C++17)
Concurrency support library
(C++11)
Execution control library
(C++26)
Technical specifications
Symbols index
External libraries
[edit]
Concepts library
Core language concepts
same_as
(C++20)
derived_from
(C++20)
convertible_to
(C++20)
common_reference_with
(C++20)
common_with
(C++20)
integral
(C++20)
signed_integral
(C++20)
unsigned_integral
(C++20)
floating_point
(C++20)
swappable
swappable_with
(C++20)
(C++20)
destructible
(C++20)
constructible_from
(C++20)
default_initializable
(C++20)
move_constructible
(C++20)
copy_constructible
(C++20)
assignable_from
(C++20)
Comparison concepts
equality_comparable
equality_comparable_with
(C++20)
(C++20)
totally_ordered
totally_ordered_with
(C++20)
(C++20)
Object concepts
movable
(C++20)
copyable
(C++20)
semiregular
(C++20)