@thi.ng/sorted-map/api.d.ts

Skiplist-based sorted map & set implementation

import type { Comparator } from "@thi.ng/api";
import type { IRandom } from "@thi.ng/random";
/**
 * SortedMapOpts implementation config settings.
 */
export interface SortedMapOpts<K> {
    /**
     * Key comparison function. Must follow standard comparator contract and
     * return:
     * - negative if `a < b`
     * - positive if `a > b`
     * - `0` if `a == b`
     *
     * Note: The {@link SortedMap} implementation only uses `<` and `==` style
     * comparisons.
     *
     * @defaultValue
     * [`compare`](https://docs.thi.ng/umbrella/compare/functions/compare.html)
     */
    compare: Comparator<K>;
    /**
     * Probability for a value to exist in any express lane of the
     * underlying Skip List implementation.
     *
     * @defaultValue `1 / Math.E`
     */
    probability: number;
    /**
     * Random number generator for choosing new insertion levels. By default
     * uses
     * [`SYSTEM`](https://docs.thi.ng/umbrella/random/variables/SYSTEM.html)
     * from thi.ng/random pkg.
     */
    rnd: IRandom;
}
export type SortedSetOpts<T> = SortedMapOpts<T>;
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