1const first_25_primes = firstNPrimes(25);
 2const sum_of_first_25_primes = sum(&first_25_primes);
 3
 4fn firstNPrimes(comptime n: usize) [n]i32 {
 5    var prime_list: [n]i32 = undefined;
 6    var next_index: usize = 0;
 7    var test_number: i32 = 2;
 8    while (next_index < prime_list.len) : (test_number += 1) {
 9        var test_prime_index: usize = 0;
10        var is_prime = true;
11        while (test_prime_index < next_index) : (test_prime_index += 1) {
12            if (test_number % prime_list[test_prime_index] == 0) {
13                is_prime = false;
14                break;
15            }
16        }
17        if (is_prime) {
18            prime_list[next_index] = test_number;
19            next_index += 1;
20        }
21    }
22    return prime_list;
23}
24
25fn sum(numbers: []const i32) i32 {
26    var result: i32 = 0;
27    for (numbers) |x| {
28        result += x;
29    }
30    return result;
31}
32
33test "variable values" {
34    try @import("std").testing.expect(sum_of_first_25_primes == 1060);
35}
36
37// test