30c30
<     const some_primes = [_]u8{ 1, 3, 5, 7, 11, 13, 17, 19 };
---
>     var some_primes = [_]u8{ 1, 3, 5, 7, 11, 13, 17, 19 };
43c43
<     const fourth = some_primes[???];
---
>     const fourth = some_primes[3];
47c47
<     const length = some_primes.???;
---
>     const length = some_primes.len;