const print = @import("std").debug.print;
pub fn main() void {
    const numbers = [_]u8{ 1, 2, 3, 4, 5 };
    m(&numbers, numbers[3..4]);
}

fn m(n: []const u8, s: []const u8) void {
    print("{any}\n", .{s});

    const max_ptr = @intFromPtr(n.ptr) + n.len;

    if (max_ptr > (@intFromPtr(s.ptr) + s.len)) {
        const start = @intFromPtr(s.ptr) - @intFromPtr(n.ptr);
        const end = s.len + start + 1;
        return m(n, n[start..end]);
    } else {
        return;
    }
}