std::any::reset

 

C++

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std::any

Member functions

any::any

any::~any

any::operator=

Modifiers

any::emplace

any::reset

any::swap

Observers

any::has_value

any::type

Non-member functions

swap(std::any)

any_cast

make_any

Helper classes

bad_any_cast

 

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

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

*this does not contain a value after this call.

Parameters

(none)

Return value

(none)

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());
}

See also

has_value

checks if object holds a value (public member function)