/// module Rx { export interface Observable { /** * Returns two observables which partition the observations of the source by the given function. * The first will trigger observations for those values for which the predicate returns true. * The second will trigger observations for those values where the predicate returns false. * The predicate is executed once for each subscribed observer. * Both also propagate all error observations arising from the source and each completes * when the source completes. * @param {Function} predicate * The function to determine which output Observable will trigger a particular observation. * @returns {Array} * An array of observables. The first triggers when the predicate returns true, * and the second triggers when the predicate returns false. */ partition(predicate: _Predicate, thisArg?: any): [Observable, Observable]; } } (function() { var o: Rx.Observable; var r: [Rx.Observable, Rx.Observable]; r = o.partition(x => x % 2 === 0); });