Diffusion Ant (bytecode) Code

ant/examples/spec/loops.js
da28911c0817bytecode

loops.js
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			import { test, testDeep, summary } from './helpers.js';

			console.log('Loop Tests\n');

			let sum = 0;
			for (let i = 0; i < 5; i++) sum += i;
			test('for loop sum', sum, 10);

			let nested = 0;
			for (let i = 0; i < 3; i++) {
			for (let j = 0; j < 3; j++) {
			nested++;
			}
			}
			test('nested for loops', nested, 9);

			function findFirst(arr, target) {
			for (let i = 0; i < arr.length; i++) {
			if (arr[i] === target) return i;
			}
			return -1;
			}
			test('for loop return', findFirst([10, 20, 30], 20), 1);
			test('for loop return not found', findFirst([10, 20, 30], 99), -1);

			let breakSum = 0;
			for (let i = 0; i < 10; i++) {
			if (i === 5) break;
			breakSum += i;
			}
			test('for loop break', breakSum, 10);

			let evenSum = 0;
			for (let i = 0; i < 10; i++) {
			if (i % 2 === 1) continue;
			evenSum += i;
			}
			test('for loop continue', evenSum, 20);

			let k = 0;
			let extCount = 0;
			for (; k < 5; k++) extCount++;
			test('for loop external init', extCount, 5);

			let countdown = 0;
			for (let i = 5; i > 0; i--) countdown += i;
			test('for loop decrement', countdown, 15);

			let arr = [1, 2, 3, 4, 5];
			for (let i = 0; i < arr.length; i++) arr[i] *= 2;
			testDeep('for loop modify array', arr, [2, 4, 6, 8, 10]);

			let str = 'hello';
			let chars = '';
			for (let i = 0; i < str.length; i++) chars += str[i];
			test('for loop string', chars, 'hello');

			let whileSum = 0;
			let j = 0;
			while (j < 5) {
			whileSum += j;
			j++;
			}
			test('while loop', whileSum, 10);

			let doSum = 0;
			let d = 0;
			do {
			doSum += d;
			d++;
			} while (d < 5);
			test('do-while loop', doSum, 10);

			const obj = { a: 1, b: 2, c: 3 };
			let keys = [];
			for (let key in obj) keys.push(key);
			test('for-in keys length', keys.length, 3);
			test('for-in has a', keys.includes('a'), true);

			const items = [10, 20, 30];
			let forOfSum = 0;
			for (let item of items) forOfSum += item;
			test('for-of sum', forOfSum, 60);

			let forOfChars = '';
			for (let c of 'abc') forOfChars += c;
			test('for-of string', forOfChars, 'abc');

			let largeSum = 0;
			for (let i = 0; i < 1000; i++) largeSum += i;
			test('large loop', largeSum, 499500);

			summary();

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