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index.d.ts
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index.d.ts
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/*
* @license Apache-2.0
*
* Copyright (c) 2020 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TypeScript Version: 2.0
/// <reference types="@stdlib/types"/>
import { Iterator as Iter, IterableIterator } from '@stdlib/types/iter';
// Define a union type representing both iterable and non-iterable iterators:
type Iterator = Iter | IterableIterator;
/**
* Interface describing function options.
*/
interface Options {
/**
* Number of iterations.
*/
iter?: number;
}
/**
* Returns an iterator which generates a sequence of squared triangular numbers.
*
* ## Notes
*
* - If an environment supports `Symbol.iterator`, the returned iterator is iterable.
*
* @param options - function options
* @param options.iter - number of iterations (default: 11585)
* @throws `iter` option must be a nonnegative integer
* @returns iterator
*
* @example
* var iter = iterSquaredTriangularSeq();
*
* var v = iter.next().value;
* // returns 0
*
* v = iter.next().value;
* // returns 1
*
* v = iter.next().value;
* // returns 9
*
* // ...
*/
declare function iterSquaredTriangularSeq( options?: Options ): Iterator;
// EXPORTS //
export = iterSquaredTriangularSeq;