- Set of rules that govern memory management
- Rules are enforced at compile time
- Any violation would result in compile time error.
- Each value in Rust has an owner
- There can only be one owner at a time
static class BTreePrinter { | |
public static <T extends Comparable<?>> void printNode(Node root) { | |
int maxLevel = BTreePrinter.maxLevel(root); | |
printNodeInternal(Collections.singletonList(root), 1, maxLevel); | |
} | |
private static <T extends Comparable<?>> void printNodeInternal(List<Node> nodes, int level, int maxLevel) { | |
if (nodes.isEmpty() || BTreePrinter.isAllElementsNull(nodes)) |