Depending on your perspective, it's not trivial. It's significantly more expensive than assigning a value to an integer. Zeroing a [4096]u64 would require sever

Depending on your perspective, it's not trivial. It's significantly more expensive than assigning a value to an integer. Zeroing a [4096]u64 would require several thousand times more operations than zeroing a u64. In the areas that zig targets, this can be quite important.