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using | ndtree::v1::node_idx = compact_optional< empty_scalar_value< uint_t, std::numeric_limits< int >::max()>, struct node_idx_tag > |
| | Index of a node within a tree.
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using | ndtree::v1::siblings_idx = compact_optional< empty_scalar_value< uint_t, std::numeric_limits< int >::max()>, struct siblings_tag > |
| | Index of a sibling group within a tree.
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template<typename Tree > |
| using | ndtree::v1::child_pos = typename Tree::child_pos |
| | Child position range.
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