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void override_outcome_exception(basic_outcome<T, EC, EP, NoValuePolicy> *, U &&) noexcept

Overrides the exception to something other than what was constructed. You almost certainly never want to use this function. A much better way of overriding the exception returned is to create a custom no-value policy which lazily synthesises a custom exception object at the point of need.

The only reason that this function exists is because some people have very corner case needs where a custom no-value policy can’t be used, and where move-constructing a new outcome from an old outcome with the exception state replaced isn’t possible (e.g. when the types are non-copyable and non-moveable).

Unless you are in a situation where no other viable alternative exists, do not use this function.

Overridable: Not overridable.

Requires: Nothing.

Namespace: BOOST_OUTCOME_V2_NAMESPACE::hooks

Header: <boost/outcome/basic_outcome.hpp>

Last revised: January 30, 2019 at 16:16:10 UTC


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