std::get(std::tuple)
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| template< std::size_t I, class... Types > typename std::tuple_element<I, tuple<Types...> >::type& |
(1) | (seit C++11) |
| template< std::size_t I, class... Types > typename std::tuple_element<I, tuple<Types...> >::type&& |
(2) | (seit C++11) |
| template< std::size_t I, class... Types > typename std::tuple_element<I, tuple<Types...> >::type const& |
(3) | (seit C++11) |
Extrahiert die
Ith element aus dem Tupel. I ist ein Integer-Wert in [0, sizeof...(Types)) .Original:
Extracts the
Ith element element from the tuple. I is an integer value in [0, sizeof...(Types)).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.
Inhaltsverzeichnis |
[Bearbeiten] Parameter
| t | - | Tupel, dessen Inhalt zu extrahieren
Original: tuple whose contents to extract The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[Bearbeiten] Rückgabewert
1)Verweis auf die
2) Ith Element t .Original:
Reference to the
Ith element of t.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.
Rvalue Verweis auf das Element
3) Ith t, sofern das Element der L-Wert-Referenz-Typ, wobei in diesem Fall L-Wert Verweis zurückgegeben .Original:
Rvalue reference to the
Ith element of t, unless the element is of lvalue reference type, in which case lvalue reference is returned.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.
Const Verweis auf die
Ith Element t .Original:
Const reference to the
Ith element of t.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.
[Bearbeiten] Ausnahmen
[Bearbeiten] Beispiel
#include <iostream> #include <string> #include <tuple> int main() { auto t = std::make_tuple(1, "Foo", 3.14); std::cout << "(" << std::get<0>(t) << ", " << std::get<1>(t) << ", " << std::get<2>(t) << ")\n"; }
Output:
(1, Foo, 3.14)
[Bearbeiten] Siehe auch
accesses an element of an array (Funktions-Template) | |
| (C++11) |
greift ein Element eines pair Original: accesses an element of a pair The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template) |
