std::any::has_value

 

C++

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std::any

Member functions

any::any

any::~any

any::operator=

Modifers

any::emplace

any::reset

any::swap

Observers

any::has_value

any::type

Non-member functions

swap(std::any)

any_cast

make_any

 

bool has_value() const noexcept;		(since C++17)

Checks whether the object contains a value.

Parameters

(none)

Return value

true if instance contains a value, otherwise false.