std::constructible_from

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Feature test macros(C++20)
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Comparison concepts
equality_comparableequality_comparable_with (C++20)(C++20)
totally_orderedtotally_ordered_with (C++20)(C++20)
Object concepts
movable (C++20)
copyable (C++20)
semiregular (C++20)
regular (C++20)
Callable concepts
invocableregular_invocable (C++20)(C++20)
predicate (C++20)
relation (C++20)
equivalence_relation (C++20)
strict_weak_order (C++20)

Exposition-only concepts
boolean-testable (C++20)

Defined in header`<concepts>`
template<class T,class...Args> concept constructible_from= std::destructible<T>&&std::is_constructible_v<T, Args...>;		(since C++20)