static void on_result_in_place_construction(T *, in_place_type_t<U>, Args &&...) noexcept

One of the constructor hooks for basic_result<T, E, NoValuePolicy> , generally invoked by the in-place constructors of basic_result. See each constructor’s documentation to see which specific hook it invokes.

Requires: Always available.

Guarantees: Never throws an exception.