Diffusion Ant (feature/nursery) Code

ant/tests/for_of.cjs
ddfe6237cab5feature/nursery

for_of.cjs
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			// Test for-of loop functionality

			console.log("=== For-Of Loop Tests ===\n");

			// Test 1: Basic for-of with array
			console.log("Test 1: Basic for-of with array");
			const fruits = ["apple", "banana", "cherry"];
			let collected = [];
			for (const fruit of fruits) {
			collected.push(fruit);
			}
			console.log(" Collected:", collected);

			// Test 2: for-of with Object.keys()
			console.log("\nTest 2: for-of with Object.keys()");
			const person = { name: "Alice", age: 30, city: "NYC" };
			let keys = [];
			for (const key of Object.keys(person)) {
			keys.push(key);
			}
			console.log(" Keys:", keys);

			// Test 3: for-of with Object.keys() accessing values
			console.log("\nTest 3: for-of accessing object values");
			const scores = { math: 95, english: 88, science: 92 };
			let total = 0;
			for (const key of Object.keys(scores)) {
			console.log(" " + key + ":", scores[key]);
			total = total + scores[key];
			}
			console.log(" Total:", total);

			// Test 4: for-of with let (mutable variable)
			console.log("\nTest 4: for-of with let");
			const numbers = [1, 2, 3, 4, 5];
			let sum = 0;
			for (let num of numbers) {
			num = num * 2;
			sum = sum + num;
			}
			console.log(" Sum of doubled:", sum);

			// Test 5: for-of with string iteration
			console.log("\nTest 5: for-of with string");
			const str = "hello";
			let chars = [];
			for (const char of str) {
			chars.push(char);
			}
			console.log(" Characters:", chars);

			// Test 6: Nested for-of loops
			console.log("\nTest 6: Nested for-of loops");
			const matrix = [[1, 2], [3, 4], [5, 6]];
			let flatSum = 0;
			for (const row of matrix) {
			for (const val of row) {
			flatSum = flatSum + val;
			}
			}
			console.log(" Matrix sum:", flatSum);

			// Test 7: for-of with break
			console.log("\nTest 7: for-of with break");
			const items = [10, 20, 30, 40, 50];
			let breakSum = 0;
			for (const item of items) {
			if (item > 25) {
			console.log(" Breaking at:", item);
			break;
			}
			breakSum = breakSum + item;
			}
			console.log(" Sum before break:", breakSum);

			// Test 8: for-of with continue
			console.log("\nTest 8: for-of with continue");
			const mixed = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
			let evenSum = 0;
			for (const n of mixed) {
			if (n % 2 === 1) {
			continue;
			}
			evenSum = evenSum + n;
			}
			console.log(" Sum of evens:", evenSum);

			// Test 9: for-of in function with return
			console.log("\nTest 9: for-of with return");
			function findValue(arr, target) {
			for (const val of arr) {
			if (val === target) {
			return true;
			}
			}
			return false;
			}
			console.log(" Contains 30:", findValue([10, 20, 30, 40], 30));
			console.log(" Contains 99:", findValue([10, 20, 30, 40], 99));

			// Test 10: for-of with empty array
			console.log("\nTest 10: for-of with empty array");
			const empty = [];
			let emptyCount = 0;
			for (const x of empty) {
			emptyCount = emptyCount + 1;
			}
			console.log(" Iterations on empty:", emptyCount);

			// Test 11: for-of building new array
			console.log("\nTest 11: for-of building new array");
			const source = [1, 2, 3, 4, 5];
			const squared = [];
			for (const n of source) {
			squared.push(n * n);
			}
			console.log(" Squared:", squared);

			// Test 12: for-of with complex objects in array
			console.log("\nTest 12: for-of with objects in array");
			const users = [
			{ id: 1, name: "Alice" },
			{ id: 2, name: "Bob" },
			{ id: 3, name: "Charlie" }
			];
			let names = [];
			for (const user of users) {
			names.push(user.name);
			}
			console.log(" Names:", names);

			// Test 13: for-of with Object.keys() building result object
			console.log("\nTest 13: for-of building result object");
			const original = { a: 1, b: 2, c: 3 };
			const doubled = {};
			for (const key of Object.keys(original)) {
			doubled[key] = original[key] * 2;
			}
			console.log(" Doubled object:", doubled);

			// Test 14: for-of scope isolation
			console.log("\nTest 14: for-of scope isolation");
			const vals = [100, 200, 300];
			const results = [];
			for (const v of vals) {
			const computed = v / 10;
			results.push(computed);
			}
			console.log(" Results:", results);

			// Test 15: Chained for-of operations
			console.log("\nTest 15: Chained for-of");
			const data = { x: 10, y: 20, z: 30 };
			const dataKeys = Object.keys(data);
			let product = 1;
			for (const k of dataKeys) {
			product = product * data[k];
			}
			console.log(" Product of values:", product);

			console.log("\n=== All for-of tests completed ===");

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