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std::any::reset

From cppreference.com
< cpp‎ | utility‎ | any
 
 
Utilities library
General utilities
Relational operators (deprecated in C++20)
(C++20)(C++20)(C++20)  
(C++20)
(C++20)
(C++14)
(C++11)
(C++11)
(C++23)
(C++11)
(C++17)
Common vocabulary types
(C++11)
(C++17)
(C++17)
(C++17)
(C++11)
(C++17)
(C++23)


 
 
void reset() noexcept;
(since C++17)

If *this contains a value, destroys the contained value.

*this does not contain a value after this call.

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Example

Run this code
#include <any>
#include <cassert>
 
int main()
{
 std::any a{42};
 assert (a.has_value());
 a.reset();
 assert (not a.has_value());
}

[edit] See also

checks if object holds a value
(public member function) [edit]
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