Namensräume
Varianten

std::make_tuple

Aus cppreference.com
< cpp‎ | utility‎ | tuple

 
 
 
std::tuple
Member-Funktionen
Original:
Member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
tuple::tuple
tuple::operator=
tuple::swap
Non-Member-Funktionen
Original:
Non-member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
make_tuple
tie
forward_as_tuple
None
operator=
operator!=
operator<
operator<=
operator>
operator>=
std::swap
get
Helper-Klassen
Original:
Helper classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
tuple_size
tuple_element
uses_allocator
ignore
 
definiert in Header <tuple>
template<class... Types>
tuple<VTypes...> make_tuple( Types&&... args);
(seit C++11)

Creates a tuple object, deducing the target type from the types of arguments. The deduced types are std::decay<Ti>::type (transformed as if passed to a function by value) unless application of std::decay results in std::reference_wrapper<X> for some type X, in which case the deduced type is is X&.

[Bearbeiten]Parameter

args -
null oder mehr Argumente, um die Tupel aus zu bauen
Original:
zero or more arguments to construct the tuple from
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[Bearbeiten]Rückgabewert

A std::tuple object containing the given values.

[Bearbeiten]Beispiel

#include <iostream>#include <tuple>#include <functional>   int main(){auto t1 = std::make_tuple(10, "Test", 3.14);std::cout<<"The value of t1 is "<<"("<<std::get<0>(t1)<<", "<<std::get<1>(t1)<<", "<<std::get<2>(t1)<<")\n";   int n =1;auto t2 = std::make_tuple(std::ref(n), n); n =7;std::cout<<"The value of t2 is "<<"("<<std::get<0>(t2)<<", "<<std::get<1>(t2)<<")\n";}

Output:

The value of t1 is (10, Test, 3.14) The value of t2 is (7, 1)
erzeugt ein tuple aus lvalue Referenzen oder entpackt ein Tupel in einzelne Objekte
Original:
creates a tuple of lvalue references or unpacks a tuple into individual objects
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(Funktions-Template)[edit]
erzeugt ein tuple aus rvalue Referenzen
Original:
creates a tuple of rvalue references
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(Funktions-Template)[edit]
erzeugt ein tuple durch Verketten einer beliebigen Anzahl von Tupeln
Original:
creates a tuple by concatenating any number of tuples
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(Funktions-Template)[edit]
close