import { IterableX } from '../../iterable/iterablex' ; import { map } from '../../iterable/operators/map' ; ignore export function mapProto < T , U > ( this , fn , thisArg ? ) { return map < T , U > ( fn , thisArg ) ( this ) ; } IterableX . prototype . map = mapProto ; declare module '../../iterable/iterablex' { interface IterableX < T > { map : typeof mapProto ; } }