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| Current File : //proc/self/root/proc/self/root/home/ubuntu/node-v16.18.1/benchmark/es/destructuring-bench.js |
'use strict';
const common = require('../common.js');
const assert = require('assert');
const bench = common.createBenchmark(main, {
method: ['swap', 'destructure'],
n: [1e8]
});
function runSwapManual(n) {
let x, y, r;
bench.start();
for (let i = 0; i < n; i++) {
x = 1;
y = 2;
r = x;
x = y;
y = r;
assert.strictEqual(x, 2);
assert.strictEqual(y, 1);
}
bench.end(n);
}
function runSwapDestructured(n) {
let x, y;
bench.start();
for (let i = 0; i < n; i++) {
x = 1;
y = 2;
[x, y] = [y, x];
assert.strictEqual(x, 2);
assert.strictEqual(y, 1);
}
bench.end(n);
}
function main({ n, method }) {
switch (method) {
case 'swap':
runSwapManual(n);
break;
case 'destructure':
runSwapDestructured(n);
break;
default:
throw new Error(`Unexpected method "${method}"`);
}
}
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