typescript-generic-datastructures/dist/types/utilities/Comparator.d.ts

export declare type CompareFunction<T> = (a: T, b: T) => 0 | 1 | -1;
export declare type ComparatorKeyExtractor<T> = (a: T) => any;
export interface ComparatorOptions<T> {
    compareFunction?: CompareFunction<T>;
    keyExtractor?: ComparatorKeyExtractor<T>;
}
export declare class Comparator<T> {
    compare: CompareFunction<T>;
    constructor({ compareFunction, keyExtractor }: ComparatorOptions<T>);
    static defaultCompareFunction<T>(keyExtractor: ComparatorKeyExtractor<T>): (a: T, b: T) => 0 | 1 | -1;
    equal(a: T, b: T): boolean;
    lessThan(a: T, b: T): boolean;
    greaterThan(a: T, b: T): boolean;
    lessThanOrEqual(a: T, b: T): boolean;
    greaterThanOrEqual(a: T, b: T): boolean;
    reverse(): void;
}