171   friend void swap(PetscStackFrame &lhs, PetscStackFrame &rhs) noexcept  in swap()  function
173     using std::swap;  in swap()
175     swap(lhs.file, rhs.file);  in swap()
176     swap(lhs.function, rhs.function);  in swap()
177     swap(lhs.line, rhs.line);  in swap()
240     friend void swap(snapshot_type &, snapshot_type &) noexcept;
343 void swap(MarkedObjectMap::snapshot_type &lhs, MarkedObjectMap::snapshot_type &rhs) noexcept  in swap()  function
345   using std::swap;  in swap()
347   swap(lhs.frame(), rhs.frame());  in swap()
348   swap(lhs.event_, rhs.event_);  in swap()
511     using std::swap;  in MarkFromID_CompatibleModes()
516     swap(it->frame(), frame);  in MarkFromID_CompatibleModes()
548   using std::swap;  in MarkFromID_IncompatibleModes_UpdateLastWrite()
553   swap(last_write, last_dep);  in MarkFromID_IncompatibleModes_UpdateLastWrite()
559     swap(last_dep.frame(), frame);  in MarkFromID_IncompatibleModes_UpdateLastWrite()