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std::multimap::size

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< cpp‎ | container‎ | multimap

 
 
 
std::multimap
Las funciones miembro
Original:
Member functions
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multimap::multimap
multimap::~multimap
multimap::operator=
multimap::get_allocator
Los iteradores
Original:
Iterators
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multimap::begin
multimap::cbegin

(C++11)
multimap::end
multimap::cend

(C++11)
multimap::rbegin
multimap::crbegin

(C++11)
multimap::rend
multimap::crend

(C++11)
Capacidad
Original:
Capacity
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multimap::erase
multimap::size
multimap::max_size
Modificadores
Original:
Modifiers
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multimap::clear
multimap::insert
multimap::emplace(C++11)
multimap::emplace_hint(C++11)
multimap::erase
multimap::swap
Buscar
Original:
Lookup
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multimap::count
multimap::find
multimap::equal_range
multimap::lower_bound
multimap::upper_bound
Los observadores
Original:
Observers
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multimap::key_comp
multimap::value_comp
 
size_type size() const;

Returns the number of elements in the container, i.e. std::distance(begin(), end()).

Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

el número de elementos en el contenedor
Original:
the number of elements in the container
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[editar] Excepciones

noexcept specification:  
noexcept
  (desde C++11)

[editar] Complejidad

Constant

[editar] Ejemplo

The following code uses size to display the number of elements in a std::multimap<int>:

#include <multimap>
#include <iostream>
 
int main()
{
    std::multimap<int, char> nums {{1, 'a'}, {3, 'b'}, {5, 'c'}, {7, 'd'}};
 
    std::cout << "nums contains " << nums.size() << " elements.\n";
}

Output:

nums contains 4 elements.

[editar] Ver también

comprueba si el recipiente está vacía
Original:
checks whether the container is empty
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(miembro público función) [edit]
devuelve el número máximo posible de elementos
Original:
returns the maximum possible number of elements
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(miembro público función) [edit]