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GhostingFunctor clone() should be pure virtual #4396

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Merged
roystgnr merged 1 commit into from
Feb 12, 2026
+6 −4
Merged

GhostingFunctor clone() should be pure virtual #4396

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10 changes: 6 additions & 4 deletions include/ghosting/ghosting_functor.h
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Original file line number Diff line number Diff line change
Expand Up @@ -213,10 +213,12 @@ class GhostingFunctor : public ReferenceCountedObject<GhostingFunctor>
* different meshes. The operations in GhostingFunctor are mesh dependent.
*/
virtual std::unique_ptr<GhostingFunctor> clone () const
// Let us return nullptr for backward compatibility.
// We will come back to mark this function as pure virtual
// once the API upgrade is done.
{ return nullptr; }
#ifndef LIBMESH_ENABLE_DEPRECATED
= 0;
#else
// Return nullptr for backward compatibility.
{ libmesh_deprecated(); return nullptr; }
#endif

/**
* It should be called after cloning a ghosting functor.
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