function store(values: Uint32Array, count: number): number { let sum = 0; for (let i = 0; i < count; i++) { values[i] = Math.imul(i, 17); sum ^= values[i]; } return sum; } const values = new Uint32Array(7); console.log("store", store(values, 6.5), Array.from(values).join(",")); function scan(values: Uint32Array, last: number): number { let sum = 0; for (let i = 0; i <= last; i++) { if (i % 3 === 1) continue; sum += values[i]; } return sum; } console.log("scan", scan(values, 6), scan(values, -0.5)); for (let i = 4294967296; i < 4294967298; i++) values[i] = 99; console.log("wide-index", values[0], values[1]); function replace(count: number): string { let first = new Uint32Array([1, 2, 3]); const saved = first; const second = new Uint32Array([7, 8, 9]); for (let i = 0; i < count; i++) first[i] = (first = second, i + 10); return `${Array.from(saved).join(",")}/${Array.from(second).join(",")}`; } console.log("receiver", replace(3)); function escaped(limit: number): string { let out = ""; try { for (let i = 0; i <= limit; i++) { try { if (i === 2) throw new Error("stop"); if (i === 0) continue; out += `${i >>> 0},`; } finally { out += `f${i},`; } } } catch (error) { out += (error as Error).message; } return out; } console.log("cleanup", escaped(4), escaped(Infinity)); function nested(limit: number): number { let sum = 0; outer: for (let round = 0; round < 3; round++) { for (let i = 0; i < limit; i++) { if (i === 2) continue outer; sum += i >>> 0; } } return sum; } console.log("labels", nested(4), nested(Infinity)); const closures: (() => number)[] = []; for (let i = 0; i < 3; i++) closures.push(() => i >>> 0); console.log("closures", closures.map((f) => f()).join(","));