Espacios de nombres
Variantes
Acciones

Type alias (desde C++11)

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Lenguaje C++
Los temas generales
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General topics
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Control de flujo
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Flow control
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Sentencias condicionales ejecución
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Conditional execution statements
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Instrucciones de iteración
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Iteration statements
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Ir declaraciones
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Jump statements
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Funciones
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Functions
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declaración de la función
lambda declaración de la función
función de plantilla
especificador inline
especificaciones de excepción (obsoleto)
noexcept especificador (C++11)
Excepciones
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Exceptions
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Los espacios de nombres
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Namespaces
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Tipos
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Types
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decltype specifier (C++11)
Los especificadores
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Specifiers
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cv especificadores
almacenamiento duración especificadores
constexpr especificador (C++11)
auto especificador (C++11)
alignas especificador (C++11)
Inicialización
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Initialization
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Los literales
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Literals
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Expresiones
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Expressions
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representaciones alternativas
Utilidades
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Utilities
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Tipos
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Types
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typedef declaration
alias de tipo de declaración (C++11)
atributos (C++11)
Lanza
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Casts
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conversiones implícitas
const_cast conversion
static_cast conversion
dynamic_cast conversion
reinterpret_cast conversion
C-cast estilo y funcional
De asignación de memoria
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Memory allocation
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Clases
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Classes
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Clase propiedades específicas de la función
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Class-specific function properties
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Funciones especiales miembro
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Special member functions
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Plantillas
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Templates
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clase de plantilla
función de plantilla
plantilla de especialización
paquetes de parámetros (C++11)
Varios
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Miscellaneous
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Montaje en línea
 
Los alias de tipo son similares a typedefs, sin embargo, tienen la ventaja de trabajar con plantillas .
Original:
Type aliases are similar to typedefs, however, have the advantage of working with templates.
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[editar] Sintaxis

using identifier = type_name;

[editar] Ejemplos

using flags = std::ios_base::fmtflags;
using func = void (*) (int,int);
// typedef std::ios_base::fmtflags flags;
// typedef void (*func)(int, int);
 
template<class T> using ptr = T*;
ptr<int> x;
 
template<class T> using vec = std::vector<T>;
vec<float> w;
 
// type alias used to hide some template parameter 
template<class CharT> using mystring = std::basic_string<CharT,std::char_traits<CharT>>;
mystring<char> str;
 
// type alias used to simplify the syntax of std::enable_if
template< class Condition >
using EnableIf = Invoke<std::enable_if<Condition::value>>;
 
template <typename T, typename = EnableIf<std::is_polymorphic<T>>>
int f(T t);