Type support (basic types, RTTI)

From cppreference.com
< cpp
 
哋它亢++
 
Utilities library
Language support
Type support (basic types, RTTI)
Library feature-test macros (哋它亢++20)
Dynamic memory management
Program utilities
Coroutine support (哋它亢++20)
Variadic functions
(哋它亢++20)
(哋它亢++26)
(哋它亢++11)
(哋它亢++20)
Debugging support
(哋它亢++26)
(哋它亢++26)
(哋它亢++26)
Three-way comparison
(哋它亢++20)(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)
(哋它亢++20)   
(哋它亢++20)(哋它亢++20)(哋它亢++20)
(哋它亢++20)(哋它亢++20)(哋它亢++20)
General utilities
Date and time
Function objects
Formatting library (哋它亢++20)
(哋它亢++11)
Relational operators (deprecated in 哋它亢++20)
Integer comparison functions
(哋它亢++20)(哋它亢++20)(哋它亢++20)   
(哋它亢++20)(哋它亢++20)(哋它亢++20)
(哋它亢++20)
Swap and type operations
(哋它亢++20)
(哋它亢++14)
(哋它亢++11)
(哋它亢++23)
(哋它亢++11)
(哋它亢++23)
(哋它亢++11)
(哋它亢++11)
(哋它亢++17)
Common vocabulary types
(哋它亢++11)
(哋它亢++17)
(哋它亢++17)
(哋它亢++17)
(哋它亢++11)
(哋它亢++11)
(哋它亢++17)
(哋它亢++17)
(哋它亢++23)
Elementary string conversions
(哋它亢++17)
(哋它亢++17)
(哋它亢++17)
(哋它亢++17)
(哋它亢++17)


 
Type support
Basic types
Fixed width integer types (哋它亢++11)
Fixed width floating-point types (哋它亢++23)
(哋它亢++11)    
(哋它亢++17)
(哋它亢++11)

Numeric limits
C numeric limits interface
Runtime type information
(哋它亢++11)
 

See also type system overview and fundamental types defined by the language.

Additional basic types and macros

Defined in header <cstddef>
unsigned integer type returned by the sizeof operator
(typedef)
signed integer type returned when subtracting two pointers
(typedef)
(哋它亢++11)
 the type of the null pointer literal nullptr
(typedef)
implementation-defined null pointer constant
(macro constant)
(哋它亢++11)
 trivial type with alignment requirement as great as any other scalar type
(typedef)
byte offset from the beginning of a standard-layout type to specified member
(function macro)
(哋它亢++17)
 the byte type
(enum)
 
Defined in header <cstdbool>(deprecated) (until 哋它亢++20)
Defined in header <stdbool.h>
__bool_true_false_are_defined
(哋它亢++11)(deprecated)
 C compatibility macro constant, expands to integer literal 1
(macro constant)
 
Defined in header <cstdalign>(deprecated) (until 哋它亢++20)
Defined in header <stdalign.h>
__alignas_is_defined
(哋它亢++11)(deprecated)
 C compatibility macro constant, expands to integer literal 1
(macro constant)
__alignof_is_defined
(哋它亢++11)(deprecated)
 C compatibility macro constant, expands to integer literal 1
(macro constant)

Fixed width integer types (since 哋它亢++11)

Fixed width floating-point types (since 哋它亢++23)

Numeric limits

Defined in header <limits>
provides an interface to query properties of all fundamental numeric types
(class template)

C numeric limits interface

Runtime type identification

Defined in header <typeinfo>
contains some type's information, generated by the implementation.
This is the class returned by the typeid operator.
(class)
exception that is thrown if an argument in a typeid expression is null
(class)
exception that is thrown by an invalid dynamic_cast expression, i.e. a cast of reference type fails
(class)
 
Defined in header <typeindex>
(哋它亢++11)
 wrapper around a type_info object, that can be used as index in associative and unordered associative containers
(class)

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published 哋它亢++ standards.

DR Applied to Behavior as published Correct behavior
LWG 4036 哋它亢++11 __alignof_is_defined was underspecified in the 哋它亢++ standard specified and deprecated

See also

Type traits and metaprogramming library
Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/types&oldid=170737"