41 lines
2.9 KiB
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41 lines
2.9 KiB
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<title>void override_outcome_exception(basic_outcome<T, EC, EP, NoValuePolicy> *, U &&) noexcept - Boost.Outcome documentation</title>
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<div class="titlepage"><div><div><h1 style="clear: both"><code>void override_outcome_exception(basic_outcome<T, EC, EP, NoValuePolicy> *, U &&) noexcept</code></h1></div></div></div>
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<p>Overrides the exception to something other than what was constructed. You <em>almost certainly</em> never
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want to use this function. A much better way of overriding the exception returned is to create
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a custom no-value policy which lazily synthesises a custom exception object at the point of need.</p>
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<p>The only reason that this function exists is because some people have very corner case needs
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where a custom no-value policy can’t be used, and where move-constructing a new <code>outcome</code> from
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an old <code>outcome</code> with the exception state replaced isn’t possible (e.g. when the types are
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non-copyable and non-moveable).</p>
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<p>Unless you are in a situation where no other viable alternative exists, do not use this function.</p>
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<p><em>Overridable</em>: Not overridable.</p>
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<p><em>Requires</em>: Nothing.</p>
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<p><em>Namespace</em>: <code>BOOST_OUTCOME_V2_NAMESPACE::hooks</code></p>
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<p><em>Header</em>: <code><boost/outcome/basic_outcome.hpp></code></p>
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</div><p><small>Last revised: January 30, 2019 at 16:16:10 UTC</small></p>
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