d2-ui
Version:
22 lines (19 loc) • 894 B
text/typescript
/// <reference path="../../observable.ts" />
module Rx {
export interface Observable<T> {
/**
* Computes the average of an observable sequence of values that are in the sequence or obtained by invoking a transform function on each element of the input sequence if present.
* @param {Function} [selector] A transform function to apply to each element.
* @param {Any} [thisArg] Object to use as this when executing callback.
* @returns {Observable} An observable sequence containing a single element with the average of the sequence of values.
*/
average(keySelector?: _Selector<T, number>, thisArg?: any): Observable<number>;
}
}
(function () {
var os : Rx.Observable<string>;
var on : Rx.Observable<number>;
on.average();
os.average((v, i, s) => v.length + i);
os.average((v, i, s) => v.length + i, {});
});