sorted-btree
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A sorted list of key-value pairs in a fast, typed in-memory B+ tree with a powerful API.
15 lines (14 loc) • 947 B
TypeScript
import BTree from '../b+tree';
/**
* Loads a B-Tree from a sorted list of entries in bulk. This is faster than inserting
* entries one at a time, and produces a more optimally balanced tree.
* Time and space complexity: O(n).
* @param keys Keys to load, sorted in strictly ascending order.
* @param values Values corresponding to each key.
* @param maxNodeSize The branching factor (maximum node size) for the resulting tree.
* @param compare Function to compare keys.
* @param loadFactor Desired load factor for created leaves. Must be between 0.5 and 1.0.
* @returns A new BTree containing the given entries.
* @throws Error if the entries are not sorted by key in strictly ascending order (duplicates disallowed) or if the load factor is out of the allowed range.
*/
export declare function bulkLoad<K, V>(keys: K[], values: V[], maxNodeSize: number, compare: (a: K, b: K) => number, loadFactor?: number): BTree<K, V>;