I would instead say int should be guaranteed to fit in a double. I feel like there's no reason to introduce a pitfall in > 99.999% of use cases just because the

I would instead say int should be guaranteed to fit in a double. I feel like there's no reason to introduce a pitfall in > 99.999% of use cases just because there might be some obscure architecture where int is 64-bit and its programmers cannot be bothered with the extra keystroke for 'long'.