static void on_outcome_copy_construction(T *, U &&, V &&) noexcept

One of the constructor hooks for basic_outcome<T, EC, EP, NoValuePolicy> , generally invoked by the converting copy constructors of basic_outcome (NOT the standard copy constructor) which consume two arguments. See each constructor’s documentation to see which specific hook it invokes.

Requires: Always available.

Guarantees: Never throws an exception.