std::generate
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| Defined in header <algorithm>
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| template< class ForwardIt, class Generator > void generate( ForwardIt first, ForwardIt last, Generator g ); |
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Asigna a cada elemento en el rango
[first, last) un valor generado por el objeto función dada g . Original:
Assigns each element in range
[first, last) a value generated by the given function object g. The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Contenido |
[editar] Parámetros
| first, last | - | la gama de elementos a generar
Original: the range of elements to generate The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. | |||||||||
| g | - | generator function object that will be called. The signature of the function should be equivalent to the following:
The type Ret must be such that an object of type ForwardIt can be dereferenced and assigned a value of type Ret. | |||||||||
| Type requirements | |||||||||||
-ForwardIt must meet the requirements of ForwardIterator.
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[editar] Valor de retorno
(Ninguno)
Original:
(none)
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[editar] Complejidad
Exactamente std::distance(first, last) invocaciones de
g() y tareas .Original:
Exactly std::distance(first, last) invocations of
g() and assignments.The text has been machine-translated via Google Translate.
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[editar] Posible implementación
template<class ForwardIt, class Generator> void generate(ForwardIt first, ForwardIt last, Generator g) { while (first != last) { *first++ = g(); } } |
[editar] Ejemplo
Las aplicaciones de código siguiente se llena un vector con números aleatorios:
Original:
The following code uses fills a vector with random numbers:
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#include <algorithm> #include <iostream> #include <cstdlib> int main() { std::vector<int> v(5); std::generate(v.begin(), v.end(), std::rand); // Using the C function rand() std::cout << "v: "; for (auto iv: v) { std::cout << iv << " "; } std::cout << "\n"; }
Output:
v: 52894 15984720 41513563 41346135 51451456
[editar] Ver también
| asigna una serie de elementos de un cierto valor Original: assigns a range of elements a certain value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función de plantilla) | |
| guarda el resultado de las aplicaciones de N de una función Original: saves the result of N applications of a function The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función de plantilla) | |
