C++

Reference

<functional>

reference_wrapper

public member function
<functional>

std::reference_wrapper::get

type& get() const noexcept;
Access element
Returns a reference to the referred element.

Parameters

none

Return value

The referred element.

type is a member type describing the referred type (it is an alias of the class template parameter, T).

Example

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// reference_wrapper::get #include <iostream> // std::cout #include <functional> // std::reference_wrapper int main () { int i; std::reference_wrapper<int> foo (i); foo.get() = 10; std::cout << foo.get() << '\n'; return 0; }

Output:
10


Data races

The object is accessed.
The reference returned can be used to access or modify the referred element.

Exception safety

No-throw guarantee: this member function never throws exceptions.

See also

reference_wrapper::operator()
Access element (functional form) (public member function)
reference_wrapper::operator type&
Cast to reference (public member function)