@acutmore/rxjs/dist/src/internal/types.ts

Reactive Extensions for modern JavaScript

import { Observable } from './Observable';

export interface UnaryFunction<T, R> { (source: T): R; }

export interface OperatorFunction<T, R> extends UnaryFunction<Observable<T>, Observable<R>> {}

export type FactoryOrValue<T> = T | (() => T);

export interface MonoTypeOperatorFunction<T> extends OperatorFunction<T, T> {}