Type support (basic types, RTTI)
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(macro constant) [edit]
C compatibility macro constant, expands to integer literal 1
(macro constant) [edit]
C compatibility macro constant, expands to integer literal 1
(macro constant) [edit]
wrapper around a
(class) [edit]
Type support (basic types, RTTI)
Library feature-test macros (C++20)
(C++11)
(C++20)
(C++26)
(C++20)
Coroutine support (C++20)
Contract support (C++26)
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
General utilities
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
(C++20)
Type support
Basic types
Fixed width integer types (C++11)
Fixed width floating-point types (C++23)
See also type system overview and fundamental types defined by the language.
Contents
[edit] Additional basic types and macros
Defined in header
<cstddef>
byte offset from the beginning of a standard-layout type to specified member
(function macro) [edit]
(function macro) [edit]
Defined in header
<stdbool.h> __bool_true_false_are_defined
(C++11)(deprecated)
(macro constant) [edit]
Defined in header
<stdalign.h> __alignas_is_defined
(C++11)(deprecated)
(macro constant) [edit]
__alignof_is_defined
(C++11)(deprecated)
(macro constant) [edit]
[edit] Fixed width integer types (since C++11)
[edit] Fixed width floating-point types (since C++23)
[edit] Numeric limits
Defined in header
<limits> [edit] C numeric limits interface
[edit] Runtime type identification
Defined in header
<typeinfo>
exception that is thrown by an invalid dynamic_cast expression, i.e. a cast of reference type fails
(class) [edit]
(class) [edit]
Defined in header
<typeindex> (C++11)
type_info object, that can be used as index in associative and unordered associative containers (class) [edit]
[edit] Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 4036 | C++11 | __alignof_is_defined was underspecified in the C++ standard
|
specified and deprecated |
[edit] See also
C documentation for Type support library