iteragain/dist/cjs/reverse.js

Javascript Iterable/Iterator/Generator-function utilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.reverse = reverse;
const toIterator_1 = require("./toIterator");
const toIterableIterator_1 = require("./toIterableIterator");
/**
 * Reverses the input iterator's order. Note that in order to reverse, it will attempt to iterate fully once, which
 * could cause significant memory usage. So because of this, only use on finite iterators.
 */
function reverse(arg) {
    let next;
    const it = (0, toIterator_1.default)(arg);
    const result = [];
    while (!(next = it.next()).done)
        result.push(next.value);
    result.reverse();
    return (0, toIterableIterator_1.default)(result);
}
exports.default = reverse;
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