std::polymorphic<T, Allocator>::valueless_after_move
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 < cpp | memory | polymorphic 
 
 
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constexpr bool valueless_after_move() const noexcept;
 
 (since C++26) 
Checks whether *this is valueless.
[edit] Return value
true if *this is valueless, otherwise false.
[edit] Example
 This section is incomplete
Reason: no example
Reason: no example