/// <reference path="../../observable.ts" />
/// <reference path="../../concurrency/scheduler.ts" />
module Rx {
    export interface ObservableStatic {
        /**
         *  Generates an observable sequence by running a state-driven loop producing the sequence's elements, using the specified scheduler to send out observer messages.
         *
         * @example
         *  var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; });
         *  var res = Rx.Observable.generate(0, function (x) { return x < 10; }, function (x) { return x + 1; }, function (x) { return x; }, Rx.Scheduler.timeout);
         * @param {Mixed} initialState Initial state.
         * @param {Function} condition Condition to terminate generation (upon returning false).
         * @param {Function} iterate Iteration step function.
         * @param {Function} resultSelector Selector function for results produced in the sequence.
         * @param {Scheduler} [scheduler] Scheduler on which to run the generator loop. If not provided, defaults to Scheduler.currentThread.
         * @returns {Observable} The generated sequence.
         */
        generate<TState, TResult>(initialState: TState, condition: (state: TState) => boolean, iterate: (state: TState) => TState, resultSelector: (state: TState) => TResult, scheduler?: IScheduler): Observable<TResult>;
    }
}